721413160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{4519}}^1$

素因数の和:4850

約数の個数: 64

約数和(自身を含む): 1754121600

約数和(自身を除く): 1032708440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 307, 520, 614, 1228, 1535, 2456, 3070, 3991, 4519, 6140, 7982, 9038, 12280, 15964, 18076, 19955, 22595, 31928, 36152, 39910, 45190, 58747, 79820, 90380, 117494, 159640, 180760, 234988, 293735, 469976, 587470, 1174940, 1387333, 2349880, 2774666, 5549332, 6936665, 11098664, 13873330, 18035329, 27746660, 36070658, 55493320, 72141316, 90176645, 144282632, 180353290, 360706580, 721413160]

約数ペア:

[(1, 721413160), (2, 360706580), (4, 180353290), (5, 144282632), (8, 90176645), (10, 72141316), (13, 55493320), (20, 36070658), (26, 27746660), (40, 18035329), (52, 13873330), (65, 11098664), (104, 6936665), (130, 5549332), (260, 2774666), (307, 2349880), (520, 1387333), (614, 1174940), (1228, 587470), (1535, 469976), (2456, 293735), (3070, 234988), (3991, 180760), (4519, 159640), (6140, 117494), (7982, 90380), (9038, 79820), (12280, 58747), (15964, 45190), (18076, 39910), (19955, 36152), (22595, 31928)]