2157893711880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{40459}}^1\times {\mathrm{444461}}^1$

素因数の和:484934

約数の個数: 64

約数和(自身を含む): 6473855707200

約数和(自身を除く): 4315961995320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 40459, 80918, 121377, 161836, 202295, 242754, 323672, 404590, 444461, 485508, 606885, 809180, 888922, 971016, 1213770, 1333383, 1618360, 1777844, 2222305, 2427540, 2666766, 3555688, 4444610, 4855080, 5333532, 6666915, 8889220, 10667064, 13333830, 17778440, 26667660, 53335320, 17982447599, 35964895198, 53947342797, 71929790396, 89912237995, 107894685594, 143859580792, 179824475990, 215789371188, 269736713985, 359648951980, 431578742376, 539473427970, 719297903960, 1078946855940, 2157893711880]

約数ペア:

[(1, 2157893711880), (2, 1078946855940), (3, 719297903960), (4, 539473427970), (5, 431578742376), (6, 359648951980), (8, 269736713985), (10, 215789371188), (12, 179824475990), (15, 143859580792), (20, 107894685594), (24, 89912237995), (30, 71929790396), (40, 53947342797), (60, 35964895198), (120, 17982447599), (40459, 53335320), (80918, 26667660), (121377, 17778440), (161836, 13333830), (202295, 10667064), (242754, 8889220), (323672, 6666915), (404590, 5333532), (444461, 4855080), (485508, 4444610), (606885, 3555688), (809180, 2666766), (888922, 2427540), (971016, 2222305), (1213770, 1777844), (1333383, 1618360)]