15203320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 37778400

約数和(自身を除く): 22575080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 109, 110, 218, 220, 317, 436, 440, 545, 634, 872, 1090, 1199, 1268, 1585, 2180, 2398, 2536, 3170, 3487, 4360, 4796, 5995, 6340, 6974, 9592, 11990, 12680, 13948, 17435, 23980, 27896, 34553, 34870, 47960, 69106, 69740, 138212, 139480, 172765, 276424, 345530, 380083, 691060, 760166, 1382120, 1520332, 1900415, 3040664, 3800830, 7601660, 15203320]

約数ペア:

[(1, 15203320), (2, 7601660), (4, 3800830), (5, 3040664), (8, 1900415), (10, 1520332), (11, 1382120), (20, 760166), (22, 691060), (40, 380083), (44, 345530), (55, 276424), (88, 172765), (109, 139480), (110, 138212), (218, 69740), (220, 69106), (317, 47960), (436, 34870), (440, 34553), (545, 27896), (634, 23980), (872, 17435), (1090, 13948), (1199, 12680), (1268, 11990), (1585, 9592), (2180, 6974), (2398, 6340), (2536, 5995), (3170, 4796), (3487, 4360)]