64522780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14867}}^1$

素因数の和:14914

約数の個数: 48

約数和(自身を含む): 159860736

約数和(自身を除く): 95337956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 14867, 29734, 59468, 74335, 104069, 148670, 208138, 297340, 416276, 460877, 520345, 921754, 1040690, 1843508, 2081380, 2304385, 3226139, 4608770, 6452278, 9217540, 12904556, 16130695, 32261390, 64522780]

約数ペア:

[(1, 64522780), (2, 32261390), (4, 16130695), (5, 12904556), (7, 9217540), (10, 6452278), (14, 4608770), (20, 3226139), (28, 2304385), (31, 2081380), (35, 1843508), (62, 1040690), (70, 921754), (124, 520345), (140, 460877), (155, 416276), (217, 297340), (310, 208138), (434, 148670), (620, 104069), (868, 74335), (1085, 59468), (2170, 29734), (4340, 14867)]