71978640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{677}}^1$

素因数の和:1136

約数の個数: 80

約数和(自身を含む): 223967808

約数和(自身を除く): 151989168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 443, 677, 886, 1329, 1354, 1772, 2031, 2215, 2658, 2708, 3385, 3544, 4062, 4430, 5316, 5416, 6645, 6770, 7088, 8124, 8860, 10155, 10632, 10832, 13290, 13540, 16248, 17720, 20310, 21264, 26580, 27080, 32496, 35440, 40620, 53160, 54160, 81240, 106320, 162480, 299911, 599822, 899733, 1199644, 1499555, 1799466, 2399288, 2999110, 3598932, 4498665, 4798576, 5998220, 7197864, 8997330, 11996440, 14395728, 17994660, 23992880, 35989320, 71978640]

約数ペア:

[(1, 71978640), (2, 35989320), (3, 23992880), (4, 17994660), (5, 14395728), (6, 11996440), (8, 8997330), (10, 7197864), (12, 5998220), (15, 4798576), (16, 4498665), (20, 3598932), (24, 2999110), (30, 2399288), (40, 1799466), (48, 1499555), (60, 1199644), (80, 899733), (120, 599822), (240, 299911), (443, 162480), (677, 106320), (886, 81240), (1329, 54160), (1354, 53160), (1772, 40620), (2031, 35440), (2215, 32496), (2658, 27080), (2708, 26580), (3385, 21264), (3544, 20310), (4062, 17720), (4430, 16248), (5316, 13540), (5416, 13290), (6645, 10832), (6770, 10632), (7088, 10155), (8124, 8860)]