217481520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12763}}^1$

素因数の和:12850

約数の個数: 80

約数和(自身を含む): 683741952

約数和(自身を除く): 466260432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 213, 240, 284, 355, 426, 568, 710, 852, 1065, 1136, 1420, 1704, 2130, 2840, 3408, 4260, 5680, 8520, 12763, 17040, 25526, 38289, 51052, 63815, 76578, 102104, 127630, 153156, 191445, 204208, 255260, 306312, 382890, 510520, 612624, 765780, 906173, 1021040, 1531560, 1812346, 2718519, 3063120, 3624692, 4530865, 5437038, 7249384, 9061730, 10874076, 13592595, 14498768, 18123460, 21748152, 27185190, 36246920, 43496304, 54370380, 72493840, 108740760, 217481520]

約数ペア:

[(1, 217481520), (2, 108740760), (3, 72493840), (4, 54370380), (5, 43496304), (6, 36246920), (8, 27185190), (10, 21748152), (12, 18123460), (15, 14498768), (16, 13592595), (20, 10874076), (24, 9061730), (30, 7249384), (40, 5437038), (48, 4530865), (60, 3624692), (71, 3063120), (80, 2718519), (120, 1812346), (142, 1531560), (213, 1021040), (240, 906173), (284, 765780), (355, 612624), (426, 510520), (568, 382890), (710, 306312), (852, 255260), (1065, 204208), (1136, 191445), (1420, 153156), (1704, 127630), (2130, 102104), (2840, 76578), (3408, 63815), (4260, 51052), (5680, 38289), (8520, 25526), (12763, 17040)]