61920980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7607}}^1$

素因数の和:7664

約数の個数: 48

約数和(自身を含む): 145708416

約数和(自身を除く): 83787436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 7607, 8140, 15214, 30428, 38035, 76070, 83677, 152140, 167354, 281459, 334708, 418385, 562918, 836770, 1125836, 1407295, 1673540, 2814590, 3096049, 5629180, 6192098, 12384196, 15480245, 30960490, 61920980]

約数ペア:

[(1, 61920980), (2, 30960490), (4, 15480245), (5, 12384196), (10, 6192098), (11, 5629180), (20, 3096049), (22, 2814590), (37, 1673540), (44, 1407295), (55, 1125836), (74, 836770), (110, 562918), (148, 418385), (185, 334708), (220, 281459), (370, 167354), (407, 152140), (740, 83677), (814, 76070), (1628, 38035), (2035, 30428), (4070, 15214), (7607, 8140)]