87978540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{757}}^1$

素因数の和:931

約数の個数: 96

約数和(自身を含む): 267422400

約数和(自身を除く): 179443860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 149, 156, 195, 260, 298, 390, 447, 596, 745, 757, 780, 894, 1490, 1514, 1788, 1937, 2235, 2271, 2980, 3028, 3785, 3874, 4470, 4542, 5811, 7570, 7748, 8940, 9084, 9685, 9841, 11355, 11622, 15140, 19370, 19682, 22710, 23244, 29055, 29523, 38740, 39364, 45420, 49205, 58110, 59046, 98410, 112793, 116220, 118092, 147615, 196820, 225586, 295230, 338379, 451172, 563965, 590460, 676758, 1127930, 1353516, 1466309, 1691895, 2255860, 2932618, 3383790, 4398927, 5865236, 6767580, 7331545, 8797854, 14663090, 17595708, 21994635, 29326180, 43989270, 87978540]

約数ペア:

[(1, 87978540), (2, 43989270), (3, 29326180), (4, 21994635), (5, 17595708), (6, 14663090), (10, 8797854), (12, 7331545), (13, 6767580), (15, 5865236), (20, 4398927), (26, 3383790), (30, 2932618), (39, 2255860), (52, 1691895), (60, 1466309), (65, 1353516), (78, 1127930), (130, 676758), (149, 590460), (156, 563965), (195, 451172), (260, 338379), (298, 295230), (390, 225586), (447, 196820), (596, 147615), (745, 118092), (757, 116220), (780, 112793), (894, 98410), (1490, 59046), (1514, 58110), (1788, 49205), (1937, 45420), (2235, 39364), (2271, 38740), (2980, 29523), (3028, 29055), (3785, 23244), (3874, 22710), (4470, 19682), (4542, 19370), (5811, 15140), (7570, 11622), (7748, 11355), (8940, 9841), (9084, 9685)]