72173220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{719}}^1$

素因数の和:977

約数の個数: 96

約数和(自身を含む): 232243200

約数和(自身を除く): 160069980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 239, 420, 478, 717, 719, 956, 1195, 1434, 1438, 1673, 2157, 2390, 2868, 2876, 3346, 3585, 3595, 4314, 4780, 5019, 5033, 6692, 7170, 7190, 8365, 8628, 10038, 10066, 10785, 14340, 14380, 15099, 16730, 20076, 20132, 21570, 25095, 25165, 30198, 33460, 43140, 50190, 50330, 60396, 75495, 100380, 100660, 150990, 171841, 301980, 343682, 515523, 687364, 859205, 1031046, 1202887, 1718410, 2062092, 2405774, 2577615, 3436820, 3608661, 4811548, 5155230, 6014435, 7217322, 10310460, 12028870, 14434644, 18043305, 24057740, 36086610, 72173220]

約数ペア:

[(1, 72173220), (2, 36086610), (3, 24057740), (4, 18043305), (5, 14434644), (6, 12028870), (7, 10310460), (10, 7217322), (12, 6014435), (14, 5155230), (15, 4811548), (20, 3608661), (21, 3436820), (28, 2577615), (30, 2405774), (35, 2062092), (42, 1718410), (60, 1202887), (70, 1031046), (84, 859205), (105, 687364), (140, 515523), (210, 343682), (239, 301980), (420, 171841), (478, 150990), (717, 100660), (719, 100380), (956, 75495), (1195, 60396), (1434, 50330), (1438, 50190), (1673, 43140), (2157, 33460), (2390, 30198), (2868, 25165), (2876, 25095), (3346, 21570), (3585, 20132), (3595, 20076), (4314, 16730), (4780, 15099), (5019, 14380), (5033, 14340), (6692, 10785), (7170, 10066), (7190, 10038), (8365, 8628)]