71649680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 173988864

約数和(自身を除く): 102339184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 167, 173, 248, 310, 334, 346, 496, 620, 668, 692, 835, 865, 1240, 1336, 1384, 1670, 1730, 2480, 2672, 2768, 3340, 3460, 5177, 5363, 6680, 6920, 10354, 10726, 13360, 13840, 20708, 21452, 25885, 26815, 28891, 41416, 42904, 51770, 53630, 57782, 82832, 85808, 103540, 107260, 115564, 144455, 207080, 214520, 231128, 288910, 414160, 429040, 462256, 577820, 895621, 1155640, 1791242, 2311280, 3582484, 4478105, 7164968, 8956210, 14329936, 17912420, 35824840, 71649680]

約数ペア:

[(1, 71649680), (2, 35824840), (4, 17912420), (5, 14329936), (8, 8956210), (10, 7164968), (16, 4478105), (20, 3582484), (31, 2311280), (40, 1791242), (62, 1155640), (80, 895621), (124, 577820), (155, 462256), (167, 429040), (173, 414160), (248, 288910), (310, 231128), (334, 214520), (346, 207080), (496, 144455), (620, 115564), (668, 107260), (692, 103540), (835, 85808), (865, 82832), (1240, 57782), (1336, 53630), (1384, 51770), (1670, 42904), (1730, 41416), (2480, 28891), (2672, 26815), (2768, 25885), (3340, 21452), (3460, 20708), (5177, 13840), (5363, 13360), (6680, 10726), (6920, 10354)]