64856880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:480

約数の個数: 240

約数和(自身を含む): 250698240

約数和(自身を除く): 185841360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 30, 33, 36, 38, 40, 44, 45, 48, 55, 57, 60, 66, 72, 76, 80, 88, 90, 95, 99, 110, 114, 120, 132, 144, 152, 165, 171, 176, 180, 190, 198, 209, 220, 228, 240, 264, 285, 304, 330, 342, 360, 380, 396, 418, 431, 440, 456, 495, 528, 570, 627, 660, 684, 720, 760, 792, 836, 855, 862, 880, 912, 990, 1045, 1140, 1254, 1293, 1320, 1368, 1520, 1584, 1672, 1710, 1724, 1881, 1980, 2090, 2155, 2280, 2508, 2586, 2640, 2736, 3135, 3344, 3420, 3448, 3762, 3879, 3960, 4180, 4310, 4560, 4741, 5016, 5172, 6270, 6465, 6840, 6896, 7524, 7758, 7920, 8189, 8360, 8620, 9405, 9482, 10032, 10344, 12540, 12930, 13680, 14223, 15048, 15516, 16378, 16720, 17240, 18810, 18964, 19395, 20688, 23705, 24567, 25080, 25860, 28446, 30096, 31032, 32756, 34480, 37620, 37928, 38790, 40945, 42669, 47410, 49134, 50160, 51720, 56892, 62064, 65512, 71115, 73701, 75240, 75856, 77580, 81890, 85338, 90079, 94820, 98268, 103440, 113784, 122835, 131024, 142230, 147402, 150480, 155160, 163780, 170676, 180158, 189640, 196536, 213345, 227568, 245670, 270237, 284460, 294804, 310320, 327560, 341352, 360316, 368505, 379280, 393072, 426690, 450395, 491340, 540474, 568920, 589608, 655120, 682704, 720632, 737010, 810711, 853380, 900790, 982680, 1080948, 1137840, 1179216, 1351185, 1441264, 1474020, 1621422, 1706760, 1801580, 1965360, 2161896, 2702370, 2948040, 3242844, 3413520, 3603160, 4053555, 4323792, 5404740, 5896080, 6485688, 7206320, 8107110, 10809480, 12971376, 16214220, 21618960, 32428440, 64856880]

約数ペア:

[(1, 64856880), (2, 32428440), (3, 21618960), (4, 16214220), (5, 12971376), (6, 10809480), (8, 8107110), (9, 7206320), (10, 6485688), (11, 5896080), (12, 5404740), (15, 4323792), (16, 4053555), (18, 3603160), (19, 3413520), (20, 3242844), (22, 2948040), (24, 2702370), (30, 2161896), (33, 1965360), (36, 1801580), (38, 1706760), (40, 1621422), (44, 1474020), (45, 1441264), (48, 1351185), (55, 1179216), (57, 1137840), (60, 1080948), (66, 982680), (72, 900790), (76, 853380), (80, 810711), (88, 737010), (90, 720632), (95, 682704), (99, 655120), (110, 589608), (114, 568920), (120, 540474), (132, 491340), (144, 450395), (152, 426690), (165, 393072), (171, 379280), (176, 368505), (180, 360316), (190, 341352), (198, 327560), (209, 310320), (220, 294804), (228, 284460), (240, 270237), (264, 245670), (285, 227568), (304, 213345), (330, 196536), (342, 189640), (360, 180158), (380, 170676), (396, 163780), (418, 155160), (431, 150480), (440, 147402), (456, 142230), (495, 131024), (528, 122835), (570, 113784), (627, 103440), (660, 98268), (684, 94820), (720, 90079), (760, 85338), (792, 81890), (836, 77580), (855, 75856), (862, 75240), (880, 73701), (912, 71115), (990, 65512), (1045, 62064), (1140, 56892), (1254, 51720), (1293, 50160), (1320, 49134), (1368, 47410), (1520, 42669), (1584, 40945), (1672, 38790), (1710, 37928), (1724, 37620), (1881, 34480), (1980, 32756), (2090, 31032), (2155, 30096), (2280, 28446), (2508, 25860), (2586, 25080), (2640, 24567), (2736, 23705), (3135, 20688), (3344, 19395), (3420, 18964), (3448, 18810), (3762, 17240), (3879, 16720), (3960, 16378), (4180, 15516), (4310, 15048), (4560, 14223), (4741, 13680), (5016, 12930), (5172, 12540), (6270, 10344), (6465, 10032), (6840, 9482), (6896, 9405), (7524, 8620), (7758, 8360), (7920, 8189)]