313233920

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3947}}^1$

素因数の和:4001

約数の個数: 80

約数和(自身を含む): 775450368

約数和(自身を除く): 462216448

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, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3947, 3968, 4960, 7894, 7936, 9920, 15788, 15872, 19735, 19840, 31576, 39470, 39680, 63152, 78940, 79360, 122357, 126304, 157880, 244714, 252608, 315760, 489428, 505216, 611785, 631520, 978856, 1010432, 1223570, 1263040, 1957712, 2020864, 2447140, 2526080, 3915424, 4894280, 5052160, 7830848, 9788560, 10104320, 15661696, 19577120, 31323392, 39154240, 62646784, 78308480, 156616960, 313233920]

約数ペア:

[(1, 313233920), (2, 156616960), (4, 78308480), (5, 62646784), (8, 39154240), (10, 31323392), (16, 19577120), (20, 15661696), (31, 10104320), (32, 9788560), (40, 7830848), (62, 5052160), (64, 4894280), (80, 3915424), (124, 2526080), (128, 2447140), (155, 2020864), (160, 1957712), (248, 1263040), (256, 1223570), (310, 1010432), (320, 978856), (496, 631520), (512, 611785), (620, 505216), (640, 489428), (992, 315760), (1240, 252608), (1280, 244714), (1984, 157880), (2480, 126304), (2560, 122357), (3947, 79360), (3968, 78940), (4960, 63152), (7894, 39680), (7936, 39470), (9920, 31576), (15788, 19840), (15872, 19735)]