8617980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 29707776

約数和(自身を除く): 21089796

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 71, 84, 85, 102, 105, 119, 140, 142, 170, 204, 210, 213, 238, 255, 284, 289, 340, 355, 357, 420, 426, 476, 497, 510, 578, 595, 710, 714, 852, 867, 994, 1020, 1065, 1156, 1190, 1207, 1420, 1428, 1445, 1491, 1734, 1785, 1988, 2023, 2130, 2380, 2414, 2485, 2890, 2982, 3468, 3570, 3621, 4046, 4260, 4335, 4828, 4970, 5780, 5964, 6035, 6069, 7140, 7242, 7455, 8092, 8449, 8670, 9940, 10115, 12070, 12138, 14484, 14910, 16898, 17340, 18105, 20230, 20519, 24140, 24276, 25347, 29820, 30345, 33796, 36210, 40460, 41038, 42245, 50694, 60690, 61557, 72420, 82076, 84490, 101388, 102595, 121380, 123114, 126735, 143633, 168980, 205190, 246228, 253470, 287266, 307785, 410380, 430899, 506940, 574532, 615570, 718165, 861798, 1231140, 1436330, 1723596, 2154495, 2872660, 4308990, 8617980]

約数ペア:

[(1, 8617980), (2, 4308990), (3, 2872660), (4, 2154495), (5, 1723596), (6, 1436330), (7, 1231140), (10, 861798), (12, 718165), (14, 615570), (15, 574532), (17, 506940), (20, 430899), (21, 410380), (28, 307785), (30, 287266), (34, 253470), (35, 246228), (42, 205190), (51, 168980), (60, 143633), (68, 126735), (70, 123114), (71, 121380), (84, 102595), (85, 101388), (102, 84490), (105, 82076), (119, 72420), (140, 61557), (142, 60690), (170, 50694), (204, 42245), (210, 41038), (213, 40460), (238, 36210), (255, 33796), (284, 30345), (289, 29820), (340, 25347), (355, 24276), (357, 24140), (420, 20519), (426, 20230), (476, 18105), (497, 17340), (510, 16898), (578, 14910), (595, 14484), (710, 12138), (714, 12070), (852, 10115), (867, 9940), (994, 8670), (1020, 8449), (1065, 8092), (1156, 7455), (1190, 7242), (1207, 7140), (1420, 6069), (1428, 6035), (1445, 5964), (1491, 5780), (1734, 4970), (1785, 4828), (1988, 4335), (2023, 4260), (2130, 4046), (2380, 3621), (2414, 3570), (2485, 3468), (2890, 2982)]