657638960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{24107}}^1$

素因数の和:24162

約数の個数: 80

約数和(自身を含む): 1721889792

約数和(自身を除く): 1064250832

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 13640, 24107, 27280, 48214, 96428, 120535, 192856, 241070, 265177, 385712, 482140, 530354, 747317, 964280, 1060708, 1325885, 1494634, 1928560, 2121416, 2651770, 2989268, 3736585, 4242832, 5303540, 5978536, 7473170, 8220487, 10607080, 11957072, 14946340, 16440974, 21214160, 29892680, 32881948, 41102435, 59785360, 65763896, 82204870, 131527792, 164409740, 328819480, 657638960]

約数ペア:

[(1, 657638960), (2, 328819480), (4, 164409740), (5, 131527792), (8, 82204870), (10, 65763896), (11, 59785360), (16, 41102435), (20, 32881948), (22, 29892680), (31, 21214160), (40, 16440974), (44, 14946340), (55, 11957072), (62, 10607080), (80, 8220487), (88, 7473170), (110, 5978536), (124, 5303540), (155, 4242832), (176, 3736585), (220, 2989268), (248, 2651770), (310, 2121416), (341, 1928560), (440, 1494634), (496, 1325885), (620, 1060708), (682, 964280), (880, 747317), (1240, 530354), (1364, 482140), (1705, 385712), (2480, 265177), (2728, 241070), (3410, 192856), (5456, 120535), (6820, 96428), (13640, 48214), (24107, 27280)]