640643520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:184

約数の個数: 448

約数和(自身を含む): 2434498560

約数和(自身を除く): 1793855040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 31, 32, 33, 38, 40, 44, 48, 55, 57, 60, 62, 64, 66, 76, 80, 88, 93, 95, 96, 103, 110, 114, 120, 124, 132, 152, 155, 160, 165, 176, 186, 190, 192, 206, 209, 220, 228, 240, 248, 264, 285, 304, 309, 310, 320, 330, 341, 352, 372, 380, 412, 418, 440, 456, 465, 480, 496, 515, 528, 570, 589, 608, 618, 620, 627, 660, 682, 704, 744, 760, 824, 836, 880, 912, 930, 960, 992, 1023, 1030, 1045, 1056, 1133, 1140, 1178, 1216, 1236, 1240, 1254, 1320, 1364, 1488, 1520, 1545, 1648, 1672, 1705, 1760, 1767, 1824, 1860, 1957, 1984, 2046, 2060, 2090, 2112, 2266, 2280, 2356, 2472, 2480, 2508, 2640, 2728, 2945, 2976, 3040, 3090, 3135, 3193, 3296, 3344, 3399, 3410, 3520, 3534, 3648, 3720, 3914, 4092, 4120, 4180, 4532, 4560, 4712, 4944, 4960, 5016, 5115, 5280, 5456, 5665, 5871, 5890, 5952, 6080, 6180, 6270, 6386, 6479, 6592, 6688, 6798, 6820, 7068, 7440, 7828, 8184, 8240, 8360, 8835, 9064, 9120, 9424, 9579, 9785, 9888, 9920, 10032, 10230, 10560, 10912, 11330, 11742, 11780, 12360, 12540, 12772, 12958, 13376, 13596, 13640, 14136, 14880, 15656, 15965, 16368, 16480, 16720, 16995, 17670, 18128, 18240, 18848, 19158, 19437, 19570, 19776, 20064, 20460, 21527, 21824, 22660, 23484, 23560, 24720, 25080, 25544, 25916, 27192, 27280, 28272, 29355, 29760, 31312, 31930, 32395, 32736, 32960, 33440, 33990, 35123, 35340, 36256, 37696, 38316, 38874, 39140, 40128, 40920, 43054, 45320, 46968, 47120, 47895, 49440, 50160, 51088, 51832, 54384, 54560, 56544, 58710, 60667, 62624, 63860, 64581, 64790, 65472, 66880, 67980, 70246, 70680, 72512, 76632, 77748, 78280, 81840, 86108, 90640, 93936, 94240, 95790, 97185, 98880, 100320, 102176, 103664, 105369, 107635, 108768, 109120, 113088, 117420, 121334, 125248, 127720, 129162, 129580, 135960, 140492, 141360, 153264, 155496, 156560, 163680, 172216, 175615, 181280, 182001, 187872, 188480, 191580, 194370, 200640, 204352, 207328, 210738, 215270, 217536, 234840, 242668, 255440, 258324, 259160, 271920, 280984, 282720, 303335, 306528, 310992, 313120, 322905, 327360, 344432, 351230, 362560, 364002, 375744, 383160, 388740, 414656, 421476, 430540, 469680, 485336, 510880, 516648, 518320, 526845, 543840, 561968, 565440, 606670, 613056, 621984, 626240, 645810, 667337, 688864, 702460, 728004, 766320, 777480, 842952, 861080, 910005, 939360, 970672, 1021760, 1033296, 1036640, 1053690, 1087680, 1123936, 1213340, 1243968, 1291620, 1334674, 1377728, 1404920, 1456008, 1532640, 1554960, 1685904, 1722160, 1820010, 1878720, 1941344, 2002011, 2066592, 2073280, 2107380, 2247872, 2426680, 2583240, 2669348, 2809840, 2912016, 3065280, 3109920, 3336685, 3371808, 3444320, 3640020, 3882688, 4004022, 4133184, 4214760, 4853360, 5166480, 5338696, 5619680, 5824032, 6219840, 6673370, 6743616, 6888640, 7280040, 8008044, 8429520, 9706720, 10010055, 10332960, 10677392, 11239360, 11648064, 13346740, 14560080, 16016088, 16859040, 19413440, 20020110, 20665920, 21354784, 26693480, 29120160, 32032176, 33718080, 40040220, 42709568, 53386960, 58240320, 64064352, 80080440, 106773920, 128128704, 160160880, 213547840, 320321760, 640643520]

約数ペア:

[(1, 640643520), (2, 320321760), (3, 213547840), (4, 160160880), (5, 128128704), (6, 106773920), (8, 80080440), (10, 64064352), (11, 58240320), (12, 53386960), (15, 42709568), (16, 40040220), (19, 33718080), (20, 32032176), (22, 29120160), (24, 26693480), (30, 21354784), (31, 20665920), (32, 20020110), (33, 19413440), (38, 16859040), (40, 16016088), (44, 14560080), (48, 13346740), (55, 11648064), (57, 11239360), (60, 10677392), (62, 10332960), (64, 10010055), (66, 9706720), (76, 8429520), (80, 8008044), (88, 7280040), (93, 6888640), (95, 6743616), (96, 6673370), (103, 6219840), (110, 5824032), (114, 5619680), (120, 5338696), (124, 5166480), (132, 4853360), (152, 4214760), (155, 4133184), (160, 4004022), (165, 3882688), (176, 3640020), (186, 3444320), (190, 3371808), (192, 3336685), (206, 3109920), (209, 3065280), (220, 2912016), (228, 2809840), (240, 2669348), (248, 2583240), (264, 2426680), (285, 2247872), (304, 2107380), (309, 2073280), (310, 2066592), (320, 2002011), (330, 1941344), (341, 1878720), (352, 1820010), (372, 1722160), (380, 1685904), (412, 1554960), (418, 1532640), (440, 1456008), (456, 1404920), (465, 1377728), (480, 1334674), (496, 1291620), (515, 1243968), (528, 1213340), (570, 1123936), (589, 1087680), (608, 1053690), (618, 1036640), (620, 1033296), (627, 1021760), (660, 970672), (682, 939360), (704, 910005), (744, 861080), (760, 842952), (824, 777480), (836, 766320), (880, 728004), (912, 702460), (930, 688864), (960, 667337), (992, 645810), (1023, 626240), (1030, 621984), (1045, 613056), (1056, 606670), (1133, 565440), (1140, 561968), (1178, 543840), (1216, 526845), (1236, 518320), (1240, 516648), (1254, 510880), (1320, 485336), (1364, 469680), (1488, 430540), (1520, 421476), (1545, 414656), (1648, 388740), (1672, 383160), (1705, 375744), (1760, 364002), (1767, 362560), (1824, 351230), (1860, 344432), (1957, 327360), (1984, 322905), (2046, 313120), (2060, 310992), (2090, 306528), (2112, 303335), (2266, 282720), (2280, 280984), (2356, 271920), (2472, 259160), (2480, 258324), (2508, 255440), (2640, 242668), (2728, 234840), (2945, 217536), (2976, 215270), (3040, 210738), (3090, 207328), (3135, 204352), (3193, 200640), (3296, 194370), (3344, 191580), (3399, 188480), (3410, 187872), (3520, 182001), (3534, 181280), (3648, 175615), (3720, 172216), (3914, 163680), (4092, 156560), (4120, 155496), (4180, 153264), (4532, 141360), (4560, 140492), (4712, 135960), (4944, 129580), (4960, 129162), (5016, 127720), (5115, 125248), (5280, 121334), (5456, 117420), (5665, 113088), (5871, 109120), (5890, 108768), (5952, 107635), (6080, 105369), (6180, 103664), (6270, 102176), (6386, 100320), (6479, 98880), (6592, 97185), (6688, 95790), (6798, 94240), (6820, 93936), (7068, 90640), (7440, 86108), (7828, 81840), (8184, 78280), (8240, 77748), (8360, 76632), (8835, 72512), (9064, 70680), (9120, 70246), (9424, 67980), (9579, 66880), (9785, 65472), (9888, 64790), (9920, 64581), (10032, 63860), (10230, 62624), (10560, 60667), (10912, 58710), (11330, 56544), (11742, 54560), (11780, 54384), (12360, 51832), (12540, 51088), (12772, 50160), (12958, 49440), (13376, 47895), (13596, 47120), (13640, 46968), (14136, 45320), (14880, 43054), (15656, 40920), (15965, 40128), (16368, 39140), (16480, 38874), (16720, 38316), (16995, 37696), (17670, 36256), (18128, 35340), (18240, 35123), (18848, 33990), (19158, 33440), (19437, 32960), (19570, 32736), (19776, 32395), (20064, 31930), (20460, 31312), (21527, 29760), (21824, 29355), (22660, 28272), (23484, 27280), (23560, 27192), (24720, 25916), (25080, 25544)]