85490520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1031}}^1$

素因数の和:1736

約数の個数: 64

約数和(自身を含む): 257091840

約数和(自身を除く): 171601320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 691, 1031, 1382, 2062, 2073, 2764, 3093, 3455, 4124, 4146, 5155, 5528, 6186, 6910, 8248, 8292, 10310, 10365, 12372, 13820, 15465, 16584, 20620, 20730, 24744, 27640, 30930, 41240, 41460, 61860, 82920, 123720, 712421, 1424842, 2137263, 2849684, 3562105, 4274526, 5699368, 7124210, 8549052, 10686315, 14248420, 17098104, 21372630, 28496840, 42745260, 85490520]

約数ペア:

[(1, 85490520), (2, 42745260), (3, 28496840), (4, 21372630), (5, 17098104), (6, 14248420), (8, 10686315), (10, 8549052), (12, 7124210), (15, 5699368), (20, 4274526), (24, 3562105), (30, 2849684), (40, 2137263), (60, 1424842), (120, 712421), (691, 123720), (1031, 82920), (1382, 61860), (2062, 41460), (2073, 41240), (2764, 30930), (3093, 27640), (3455, 24744), (4124, 20730), (4146, 20620), (5155, 16584), (5528, 15465), (6186, 13820), (6910, 12372), (8248, 10365), (8292, 10310)]