123473480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{647}}^1$

素因数の和:1038

約数の個数: 64

約数和(自身を含む): 300464640

約数和(自身を除く): 176991160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 367, 520, 647, 734, 1294, 1468, 1835, 2588, 2936, 3235, 3670, 4771, 5176, 6470, 7340, 8411, 9542, 12940, 14680, 16822, 19084, 23855, 25880, 33644, 38168, 42055, 47710, 67288, 84110, 95420, 168220, 190840, 237449, 336440, 474898, 949796, 1187245, 1899592, 2374490, 3086837, 4748980, 6173674, 9497960, 12347348, 15434185, 24694696, 30868370, 61736740, 123473480]

約数ペア:

[(1, 123473480), (2, 61736740), (4, 30868370), (5, 24694696), (8, 15434185), (10, 12347348), (13, 9497960), (20, 6173674), (26, 4748980), (40, 3086837), (52, 2374490), (65, 1899592), (104, 1187245), (130, 949796), (260, 474898), (367, 336440), (520, 237449), (647, 190840), (734, 168220), (1294, 95420), (1468, 84110), (1835, 67288), (2588, 47710), (2936, 42055), (3235, 38168), (3670, 33644), (4771, 25880), (5176, 23855), (6470, 19084), (7340, 16822), (8411, 14680), (9542, 12940)]