15530380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{677}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 34626816

約数和(自身を除く): 19096436

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 677, 740, 1147, 1354, 2294, 2708, 3385, 4588, 5735, 6770, 11470, 13540, 20987, 22940, 25049, 41974, 50098, 83948, 100196, 104935, 125245, 209870, 250490, 419740, 500980, 776519, 1553038, 3106076, 3882595, 7765190, 15530380]

約数ペア:

[(1, 15530380), (2, 7765190), (4, 3882595), (5, 3106076), (10, 1553038), (20, 776519), (31, 500980), (37, 419740), (62, 250490), (74, 209870), (124, 125245), (148, 104935), (155, 100196), (185, 83948), (310, 50098), (370, 41974), (620, 25049), (677, 22940), (740, 20987), (1147, 13540), (1354, 11470), (2294, 6770), (2708, 5735), (3385, 4588)]