15944780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{743}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 35622720

約数和(自身を除く): 19677940

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 580, 740, 743, 1073, 1486, 2146, 2972, 3715, 4292, 5365, 7430, 10730, 14860, 21460, 21547, 27491, 43094, 54982, 86188, 107735, 109964, 137455, 215470, 274910, 430940, 549820, 797239, 1594478, 3188956, 3986195, 7972390, 15944780]

約数ペア:

[(1, 15944780), (2, 7972390), (4, 3986195), (5, 3188956), (10, 1594478), (20, 797239), (29, 549820), (37, 430940), (58, 274910), (74, 215470), (116, 137455), (145, 109964), (148, 107735), (185, 86188), (290, 54982), (370, 43094), (580, 27491), (740, 21547), (743, 21460), (1073, 14860), (1486, 10730), (2146, 7430), (2972, 5365), (3715, 4292)]