156616960

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3947}}^1$

素因数の和:3999

約数の個数: 72

約数和(自身を含む): 387346176

約数和(自身を除く): 230729216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3947, 3968, 4960, 7894, 7936, 9920, 15788, 19735, 19840, 31576, 39470, 39680, 63152, 78940, 122357, 126304, 157880, 244714, 252608, 315760, 489428, 505216, 611785, 631520, 978856, 1010432, 1223570, 1263040, 1957712, 2447140, 2526080, 3915424, 4894280, 5052160, 7830848, 9788560, 15661696, 19577120, 31323392, 39154240, 78308480, 156616960]

約数ペア:

[(1, 156616960), (2, 78308480), (4, 39154240), (5, 31323392), (8, 19577120), (10, 15661696), (16, 9788560), (20, 7830848), (31, 5052160), (32, 4894280), (40, 3915424), (62, 2526080), (64, 2447140), (80, 1957712), (124, 1263040), (128, 1223570), (155, 1010432), (160, 978856), (248, 631520), (256, 611785), (310, 505216), (320, 489428), (496, 315760), (620, 252608), (640, 244714), (992, 157880), (1240, 126304), (1280, 122357), (1984, 78940), (2480, 63152), (3947, 39680), (3968, 39470), (4960, 31576), (7894, 19840), (7936, 19735), (9920, 15788)]