18328380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{151}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 62716416

約数和(自身を除く): 44388036

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, 84, 85, 102, 105, 119, 140, 151, 170, 204, 210, 238, 255, 289, 302, 340, 357, 420, 453, 476, 510, 578, 595, 604, 714, 755, 867, 906, 1020, 1057, 1156, 1190, 1428, 1445, 1510, 1734, 1785, 1812, 2023, 2114, 2265, 2380, 2567, 2890, 3020, 3171, 3468, 3570, 4046, 4228, 4335, 4530, 5134, 5285, 5780, 6069, 6342, 7140, 7701, 8092, 8670, 9060, 10115, 10268, 10570, 12138, 12684, 12835, 15402, 15855, 17340, 17969, 20230, 21140, 24276, 25670, 30345, 30804, 31710, 35938, 38505, 40460, 43639, 51340, 53907, 60690, 63420, 71876, 77010, 87278, 89845, 107814, 121380, 130917, 154020, 174556, 179690, 215628, 218195, 261834, 269535, 305473, 359380, 436390, 523668, 539070, 610946, 654585, 872780, 916419, 1078140, 1221892, 1309170, 1527365, 1832838, 2618340, 3054730, 3665676, 4582095, 6109460, 9164190, 18328380]

約数ペア:

[(1, 18328380), (2, 9164190), (3, 6109460), (4, 4582095), (5, 3665676), (6, 3054730), (7, 2618340), (10, 1832838), (12, 1527365), (14, 1309170), (15, 1221892), (17, 1078140), (20, 916419), (21, 872780), (28, 654585), (30, 610946), (34, 539070), (35, 523668), (42, 436390), (51, 359380), (60, 305473), (68, 269535), (70, 261834), (84, 218195), (85, 215628), (102, 179690), (105, 174556), (119, 154020), (140, 130917), (151, 121380), (170, 107814), (204, 89845), (210, 87278), (238, 77010), (255, 71876), (289, 63420), (302, 60690), (340, 53907), (357, 51340), (420, 43639), (453, 40460), (476, 38505), (510, 35938), (578, 31710), (595, 30804), (604, 30345), (714, 25670), (755, 24276), (867, 21140), (906, 20230), (1020, 17969), (1057, 17340), (1156, 15855), (1190, 15402), (1428, 12835), (1445, 12684), (1510, 12138), (1734, 10570), (1785, 10268), (1812, 10115), (2023, 9060), (2114, 8670), (2265, 8092), (2380, 7701), (2567, 7140), (2890, 6342), (3020, 6069), (3171, 5780), (3468, 5285), (3570, 5134), (4046, 4530), (4228, 4335)]