18079320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{21523}}^1$

素因数の和:21544

約数の個数: 64

約数和(自身を含む): 61989120

約数和(自身を除く): 43909800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 21523, 43046, 64569, 86092, 107615, 129138, 150661, 172184, 215230, 258276, 301322, 322845, 430460, 451983, 516552, 602644, 645690, 753305, 860920, 903966, 1205288, 1291380, 1506610, 1807932, 2259915, 2582760, 3013220, 3615864, 4519830, 6026440, 9039660, 18079320]

約数ペア:

[(1, 18079320), (2, 9039660), (3, 6026440), (4, 4519830), (5, 3615864), (6, 3013220), (7, 2582760), (8, 2259915), (10, 1807932), (12, 1506610), (14, 1291380), (15, 1205288), (20, 903966), (21, 860920), (24, 753305), (28, 645690), (30, 602644), (35, 516552), (40, 451983), (42, 430460), (56, 322845), (60, 301322), (70, 258276), (84, 215230), (105, 172184), (120, 150661), (140, 129138), (168, 107615), (210, 86092), (280, 64569), (420, 43046), (840, 21523)]