16149140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^2$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 40674816

約数和(自身を除く): 24525676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 61, 62, 70, 122, 124, 140, 155, 217, 244, 305, 310, 427, 434, 610, 620, 854, 868, 1085, 1220, 1708, 1891, 2135, 2170, 3721, 3782, 4270, 4340, 7442, 7564, 8540, 9455, 13237, 14884, 18605, 18910, 26047, 26474, 37210, 37820, 52094, 52948, 66185, 74420, 104188, 115351, 130235, 132370, 230702, 260470, 264740, 461404, 520940, 576755, 807457, 1153510, 1614914, 2307020, 3229828, 4037285, 8074570, 16149140]

約数ペア:

[(1, 16149140), (2, 8074570), (4, 4037285), (5, 3229828), (7, 2307020), (10, 1614914), (14, 1153510), (20, 807457), (28, 576755), (31, 520940), (35, 461404), (61, 264740), (62, 260470), (70, 230702), (122, 132370), (124, 130235), (140, 115351), (155, 104188), (217, 74420), (244, 66185), (305, 52948), (310, 52094), (427, 37820), (434, 37210), (610, 26474), (620, 26047), (854, 18910), (868, 18605), (1085, 14884), (1220, 13237), (1708, 9455), (1891, 8540), (2135, 7564), (2170, 7442), (3721, 4340), (3782, 4270)]