80745700

素因数分解:

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

素因数の和:174

約数の個数: 108

約数和(自身を含む): 210153216

約数和(自身を除く): 129407516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 61, 62, 70, 100, 122, 124, 140, 155, 175, 217, 244, 305, 310, 350, 427, 434, 610, 620, 700, 775, 854, 868, 1085, 1220, 1525, 1550, 1708, 1891, 2135, 2170, 3050, 3100, 3721, 3782, 4270, 4340, 5425, 6100, 7442, 7564, 8540, 9455, 10675, 10850, 13237, 14884, 18605, 18910, 21350, 21700, 26047, 26474, 37210, 37820, 42700, 47275, 52094, 52948, 66185, 74420, 93025, 94550, 104188, 115351, 130235, 132370, 186050, 189100, 230702, 260470, 264740, 330925, 372100, 461404, 520940, 576755, 651175, 661850, 807457, 1153510, 1302350, 1323700, 1614914, 2307020, 2604700, 2883775, 3229828, 4037285, 5767550, 8074570, 11535100, 16149140, 20186425, 40372850, 80745700]

約数ペア:

[(1, 80745700), (2, 40372850), (4, 20186425), (5, 16149140), (7, 11535100), (10, 8074570), (14, 5767550), (20, 4037285), (25, 3229828), (28, 2883775), (31, 2604700), (35, 2307020), (50, 1614914), (61, 1323700), (62, 1302350), (70, 1153510), (100, 807457), (122, 661850), (124, 651175), (140, 576755), (155, 520940), (175, 461404), (217, 372100), (244, 330925), (305, 264740), (310, 260470), (350, 230702), (427, 189100), (434, 186050), (610, 132370), (620, 130235), (700, 115351), (775, 104188), (854, 94550), (868, 93025), (1085, 74420), (1220, 66185), (1525, 52948), (1550, 52094), (1708, 47275), (1891, 42700), (2135, 37820), (2170, 37210), (3050, 26474), (3100, 26047), (3721, 21700), (3782, 21350), (4270, 18910), (4340, 18605), (5425, 14884), (6100, 13237), (7442, 10850), (7564, 10675), (8540, 9455)]