661920480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1861}}^1$

素因数の和:1914

約数の個数: 288

約数和(自身を含む): 2561963040

約数和(自身を除く): 1900042560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 32, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 96, 104, 114, 117, 120, 130, 144, 152, 156, 160, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 288, 304, 312, 342, 360, 380, 390, 416, 456, 468, 480, 494, 520, 570, 585, 608, 624, 684, 720, 741, 760, 780, 855, 912, 936, 988, 1040, 1140, 1170, 1235, 1248, 1368, 1440, 1482, 1520, 1560, 1710, 1824, 1861, 1872, 1976, 2080, 2223, 2280, 2340, 2470, 2736, 2964, 3040, 3120, 3420, 3705, 3722, 3744, 3952, 4446, 4560, 4680, 4940, 5472, 5583, 5928, 6240, 6840, 7410, 7444, 7904, 8892, 9120, 9305, 9360, 9880, 11115, 11166, 11856, 13680, 14820, 14888, 16749, 17784, 18610, 18720, 19760, 22230, 22332, 23712, 24193, 27360, 27915, 29640, 29776, 33498, 35359, 35568, 37220, 39520, 44460, 44664, 48386, 55830, 59280, 59552, 66996, 70718, 71136, 72579, 74440, 83745, 88920, 89328, 96772, 106077, 111660, 118560, 120965, 133992, 141436, 145158, 148880, 167490, 176795, 177840, 178656, 193544, 212154, 217737, 223320, 241930, 267984, 282872, 290316, 297760, 318231, 334980, 353590, 355680, 362895, 387088, 424308, 435474, 446640, 459667, 483860, 530385, 535968, 565744, 580632, 636462, 669960, 707180, 725790, 774176, 848616, 870948, 893280, 919334, 967720, 1060770, 1088685, 1131488, 1161264, 1272924, 1339920, 1379001, 1414360, 1451580, 1591155, 1697232, 1741896, 1838668, 1935440, 2121540, 2177370, 2298335, 2322528, 2545848, 2679840, 2758002, 2828720, 2903160, 3182310, 3394464, 3483792, 3677336, 3870880, 4137003, 4243080, 4354740, 4596670, 5091696, 5516004, 5657440, 5806320, 6364620, 6895005, 6967584, 7354672, 8274006, 8486160, 8709480, 9193340, 10183392, 11032008, 11612640, 12729240, 13790010, 14709344, 16548012, 16972320, 17418960, 18386680, 20685015, 22064016, 25458480, 27580020, 33096024, 34837920, 36773360, 41370030, 44128032, 50916960, 55160040, 66192048, 73546720, 82740060, 110320080, 132384096, 165480120, 220640160, 330960240, 661920480]

約数ペア:

[(1, 661920480), (2, 330960240), (3, 220640160), (4, 165480120), (5, 132384096), (6, 110320080), (8, 82740060), (9, 73546720), (10, 66192048), (12, 55160040), (13, 50916960), (15, 44128032), (16, 41370030), (18, 36773360), (19, 34837920), (20, 33096024), (24, 27580020), (26, 25458480), (30, 22064016), (32, 20685015), (36, 18386680), (38, 17418960), (39, 16972320), (40, 16548012), (45, 14709344), (48, 13790010), (52, 12729240), (57, 11612640), (60, 11032008), (65, 10183392), (72, 9193340), (76, 8709480), (78, 8486160), (80, 8274006), (90, 7354672), (95, 6967584), (96, 6895005), (104, 6364620), (114, 5806320), (117, 5657440), (120, 5516004), (130, 5091696), (144, 4596670), (152, 4354740), (156, 4243080), (160, 4137003), (171, 3870880), (180, 3677336), (190, 3483792), (195, 3394464), (208, 3182310), (228, 2903160), (234, 2828720), (240, 2758002), (247, 2679840), (260, 2545848), (285, 2322528), (288, 2298335), (304, 2177370), (312, 2121540), (342, 1935440), (360, 1838668), (380, 1741896), (390, 1697232), (416, 1591155), (456, 1451580), (468, 1414360), (480, 1379001), (494, 1339920), (520, 1272924), (570, 1161264), (585, 1131488), (608, 1088685), (624, 1060770), (684, 967720), (720, 919334), (741, 893280), (760, 870948), (780, 848616), (855, 774176), (912, 725790), (936, 707180), (988, 669960), (1040, 636462), (1140, 580632), (1170, 565744), (1235, 535968), (1248, 530385), (1368, 483860), (1440, 459667), (1482, 446640), (1520, 435474), (1560, 424308), (1710, 387088), (1824, 362895), (1861, 355680), (1872, 353590), (1976, 334980), (2080, 318231), (2223, 297760), (2280, 290316), (2340, 282872), (2470, 267984), (2736, 241930), (2964, 223320), (3040, 217737), (3120, 212154), (3420, 193544), (3705, 178656), (3722, 177840), (3744, 176795), (3952, 167490), (4446, 148880), (4560, 145158), (4680, 141436), (4940, 133992), (5472, 120965), (5583, 118560), (5928, 111660), (6240, 106077), (6840, 96772), (7410, 89328), (7444, 88920), (7904, 83745), (8892, 74440), (9120, 72579), (9305, 71136), (9360, 70718), (9880, 66996), (11115, 59552), (11166, 59280), (11856, 55830), (13680, 48386), (14820, 44664), (14888, 44460), (16749, 39520), (17784, 37220), (18610, 35568), (18720, 35359), (19760, 33498), (22230, 29776), (22332, 29640), (23712, 27915), (24193, 27360)]