205178520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{6653}}^1$

素因数の和:6924

約数の個数: 64

約数和(自身を含む): 618023520

約数和(自身を除く): 412845000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3855, 5140, 6168, 6653, 7710, 10280, 13306, 15420, 19959, 26612, 30840, 33265, 39918, 53224, 66530, 79836, 99795, 133060, 159672, 199590, 266120, 399180, 798360, 1709821, 3419642, 5129463, 6839284, 8549105, 10258926, 13678568, 17098210, 20517852, 25647315, 34196420, 41035704, 51294630, 68392840, 102589260, 205178520]

約数ペア:

[(1, 205178520), (2, 102589260), (3, 68392840), (4, 51294630), (5, 41035704), (6, 34196420), (8, 25647315), (10, 20517852), (12, 17098210), (15, 13678568), (20, 10258926), (24, 8549105), (30, 6839284), (40, 5129463), (60, 3419642), (120, 1709821), (257, 798360), (514, 399180), (771, 266120), (1028, 199590), (1285, 159672), (1542, 133060), (2056, 99795), (2570, 79836), (3084, 66530), (3855, 53224), (5140, 39918), (6168, 33265), (6653, 30840), (7710, 26612), (10280, 19959), (13306, 15420)]