154645360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:662

約数の個数: 80

約数和(自身を含む): 374833152

約数和(自身を除く): 220187792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 127, 155, 248, 254, 310, 491, 496, 508, 620, 635, 982, 1016, 1240, 1270, 1964, 2032, 2455, 2480, 2540, 3928, 3937, 4910, 5080, 7856, 7874, 9820, 10160, 15221, 15748, 19640, 19685, 30442, 31496, 39280, 39370, 60884, 62357, 62992, 76105, 78740, 121768, 124714, 152210, 157480, 243536, 249428, 304420, 311785, 314960, 498856, 608840, 623570, 997712, 1217680, 1247140, 1933067, 2494280, 3866134, 4988560, 7732268, 9665335, 15464536, 19330670, 30929072, 38661340, 77322680, 154645360]

約数ペア:

[(1, 154645360), (2, 77322680), (4, 38661340), (5, 30929072), (8, 19330670), (10, 15464536), (16, 9665335), (20, 7732268), (31, 4988560), (40, 3866134), (62, 2494280), (80, 1933067), (124, 1247140), (127, 1217680), (155, 997712), (248, 623570), (254, 608840), (310, 498856), (491, 314960), (496, 311785), (508, 304420), (620, 249428), (635, 243536), (982, 157480), (1016, 152210), (1240, 124714), (1270, 121768), (1964, 78740), (2032, 76105), (2455, 62992), (2480, 62357), (2540, 60884), (3928, 39370), (3937, 39280), (4910, 31496), (5080, 30442), (7856, 19685), (7874, 19640), (9820, 15748), (10160, 15221)]