66938180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 153851208

約数和(自身を除く): 86913028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 289, 313, 340, 370, 578, 626, 629, 740, 1156, 1252, 1258, 1445, 1565, 2516, 2890, 3130, 3145, 5321, 5780, 6260, 6290, 10642, 10693, 11581, 12580, 21284, 21386, 23162, 26605, 42772, 46324, 53210, 53465, 57905, 90457, 106420, 106930, 115810, 180914, 196877, 213860, 231620, 361828, 393754, 452285, 787508, 904570, 984385, 1809140, 1968770, 3346909, 3937540, 6693818, 13387636, 16734545, 33469090, 66938180]

約数ペア:

[(1, 66938180), (2, 33469090), (4, 16734545), (5, 13387636), (10, 6693818), (17, 3937540), (20, 3346909), (34, 1968770), (37, 1809140), (68, 984385), (74, 904570), (85, 787508), (148, 452285), (170, 393754), (185, 361828), (289, 231620), (313, 213860), (340, 196877), (370, 180914), (578, 115810), (626, 106930), (629, 106420), (740, 90457), (1156, 57905), (1252, 53465), (1258, 53210), (1445, 46324), (1565, 42772), (2516, 26605), (2890, 23162), (3130, 21386), (3145, 21284), (5321, 12580), (5780, 11581), (6260, 10693), (6290, 10642)]