68861660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2423}}^1$

素因数の和:2475

約数の個数: 72

約数和(自身を含む): 174091680

約数和(自身を除く): 105230020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2423, 2842, 4060, 4846, 5684, 7105, 9692, 12115, 14210, 16961, 24230, 28420, 33922, 48460, 67844, 70267, 84805, 118727, 140534, 169610, 237454, 281068, 339220, 351335, 474908, 491869, 593635, 702670, 983738, 1187270, 1405340, 1967476, 2374540, 2459345, 3443083, 4918690, 6886166, 9837380, 13772332, 17215415, 34430830, 68861660]

約数ペア:

[(1, 68861660), (2, 34430830), (4, 17215415), (5, 13772332), (7, 9837380), (10, 6886166), (14, 4918690), (20, 3443083), (28, 2459345), (29, 2374540), (35, 1967476), (49, 1405340), (58, 1187270), (70, 983738), (98, 702670), (116, 593635), (140, 491869), (145, 474908), (196, 351335), (203, 339220), (245, 281068), (290, 237454), (406, 169610), (490, 140534), (580, 118727), (812, 84805), (980, 70267), (1015, 67844), (1421, 48460), (2030, 33922), (2423, 28420), (2842, 24230), (4060, 16961), (4846, 14210), (5684, 12115), (7105, 9692)]