15392740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 37997568

約数和(自身を除く): 22604828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 37, 44, 55, 61, 62, 74, 110, 122, 124, 148, 155, 185, 220, 244, 305, 310, 341, 370, 407, 610, 620, 671, 682, 740, 814, 1147, 1220, 1342, 1364, 1628, 1705, 1891, 2035, 2257, 2294, 2684, 3355, 3410, 3782, 4070, 4514, 4588, 5735, 6710, 6820, 7564, 8140, 9028, 9455, 11285, 11470, 12617, 13420, 18910, 20801, 22570, 22940, 24827, 25234, 37820, 41602, 45140, 49654, 50468, 63085, 69967, 83204, 99308, 104005, 124135, 126170, 139934, 208010, 248270, 252340, 279868, 349835, 416020, 496540, 699670, 769637, 1399340, 1539274, 3078548, 3848185, 7696370, 15392740]

約数ペア:

[(1, 15392740), (2, 7696370), (4, 3848185), (5, 3078548), (10, 1539274), (11, 1399340), (20, 769637), (22, 699670), (31, 496540), (37, 416020), (44, 349835), (55, 279868), (61, 252340), (62, 248270), (74, 208010), (110, 139934), (122, 126170), (124, 124135), (148, 104005), (155, 99308), (185, 83204), (220, 69967), (244, 63085), (305, 50468), (310, 49654), (341, 45140), (370, 41602), (407, 37820), (610, 25234), (620, 24827), (671, 22940), (682, 22570), (740, 20801), (814, 18910), (1147, 13420), (1220, 12617), (1342, 11470), (1364, 11285), (1628, 9455), (1705, 9028), (1891, 8140), (2035, 7564), (2257, 6820), (2294, 6710), (2684, 5735), (3355, 4588), (3410, 4514), (3782, 4070)]