80687100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1217}}^1$

素因数の和:1264

約数の個数: 144

約数和(自身を含む): 266420448

約数和(自身を除く): 185733348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 25, 26, 30, 34, 39, 50, 51, 52, 60, 65, 68, 75, 78, 85, 100, 102, 130, 150, 156, 170, 195, 204, 221, 255, 260, 300, 325, 340, 390, 425, 442, 510, 650, 663, 780, 850, 884, 975, 1020, 1105, 1217, 1275, 1300, 1326, 1700, 1950, 2210, 2434, 2550, 2652, 3315, 3651, 3900, 4420, 4868, 5100, 5525, 6085, 6630, 7302, 11050, 12170, 13260, 14604, 15821, 16575, 18255, 20689, 22100, 24340, 30425, 31642, 33150, 36510, 41378, 47463, 60850, 62067, 63284, 66300, 73020, 79105, 82756, 91275, 94926, 103445, 121700, 124134, 158210, 182550, 189852, 206890, 237315, 248268, 268957, 310335, 316420, 365100, 395525, 413780, 474630, 517225, 537914, 620670, 791050, 806871, 949260, 1034450, 1075828, 1186575, 1241340, 1344785, 1551675, 1582100, 1613742, 2068900, 2373150, 2689570, 3103350, 3227484, 4034355, 4746300, 5379140, 6206700, 6723925, 8068710, 13447850, 16137420, 20171775, 26895700, 40343550, 80687100]

約数ペア:

[(1, 80687100), (2, 40343550), (3, 26895700), (4, 20171775), (5, 16137420), (6, 13447850), (10, 8068710), (12, 6723925), (13, 6206700), (15, 5379140), (17, 4746300), (20, 4034355), (25, 3227484), (26, 3103350), (30, 2689570), (34, 2373150), (39, 2068900), (50, 1613742), (51, 1582100), (52, 1551675), (60, 1344785), (65, 1241340), (68, 1186575), (75, 1075828), (78, 1034450), (85, 949260), (100, 806871), (102, 791050), (130, 620670), (150, 537914), (156, 517225), (170, 474630), (195, 413780), (204, 395525), (221, 365100), (255, 316420), (260, 310335), (300, 268957), (325, 248268), (340, 237315), (390, 206890), (425, 189852), (442, 182550), (510, 158210), (650, 124134), (663, 121700), (780, 103445), (850, 94926), (884, 91275), (975, 82756), (1020, 79105), (1105, 73020), (1217, 66300), (1275, 63284), (1300, 62067), (1326, 60850), (1700, 47463), (1950, 41378), (2210, 36510), (2434, 33150), (2550, 31642), (2652, 30425), (3315, 24340), (3651, 22100), (3900, 20689), (4420, 18255), (4868, 16575), (5100, 15821), (5525, 14604), (6085, 13260), (6630, 12170), (7302, 11050)]