1267550320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{511109}}^1$

素因数の和:511153

約数の個数: 40

約数和(自身を含む): 3042126720

約数和(自身を除く): 1774576400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 511109, 1022218, 2044436, 2555545, 4088872, 5111090, 8177744, 10222180, 15844379, 20444360, 31688758, 40888720, 63377516, 79221895, 126755032, 158443790, 253510064, 316887580, 633775160, 1267550320]

約数ペア:

[(1, 1267550320), (2, 633775160), (4, 316887580), (5, 253510064), (8, 158443790), (10, 126755032), (16, 79221895), (20, 63377516), (31, 40888720), (40, 31688758), (62, 20444360), (80, 15844379), (124, 10222180), (155, 8177744), (248, 5111090), (310, 4088872), (496, 2555545), (620, 2044436), (1240, 1022218), (2480, 511109)]