256092240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{34421}}^1$

素因数の和:34468

約数の個数: 80

約数和(自身を含む): 819518976

約数和(自身を除く): 563426736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 34421, 68842, 103263, 137684, 172105, 206526, 275368, 344210, 413052, 516315, 550736, 688420, 826104, 1032630, 1067051, 1376840, 1652208, 2065260, 2134102, 2753680, 3201153, 4130520, 4268204, 5335255, 6402306, 8261040, 8536408, 10670510, 12804612, 16005765, 17072816, 21341020, 25609224, 32011530, 42682040, 51218448, 64023060, 85364080, 128046120, 256092240]

約数ペア:

[(1, 256092240), (2, 128046120), (3, 85364080), (4, 64023060), (5, 51218448), (6, 42682040), (8, 32011530), (10, 25609224), (12, 21341020), (15, 17072816), (16, 16005765), (20, 12804612), (24, 10670510), (30, 8536408), (31, 8261040), (40, 6402306), (48, 5335255), (60, 4268204), (62, 4130520), (80, 3201153), (93, 2753680), (120, 2134102), (124, 2065260), (155, 1652208), (186, 1376840), (240, 1067051), (248, 1032630), (310, 826104), (372, 688420), (465, 550736), (496, 516315), (620, 413052), (744, 344210), (930, 275368), (1240, 206526), (1488, 172105), (1860, 137684), (2480, 103263), (3720, 68842), (7440, 34421)]