642942360

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{198439}}^1$

素因数の和:198462

約数の個数: 80

約数和(自身を含む): 2161011600

約数和(自身を除く): 1518069240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 198439, 396878, 595317, 793756, 992195, 1190634, 1587512, 1785951, 1984390, 2381268, 2976585, 3571902, 3968780, 4762536, 5357853, 5953170, 7143804, 7937560, 8929755, 10715706, 11906340, 14287608, 16073559, 17859510, 21431412, 23812680, 26789265, 32147118, 35719020, 42862824, 53578530, 64294236, 71438040, 80367795, 107157060, 128588472, 160735590, 214314120, 321471180, 642942360]

約数ペア:

[(1, 642942360), (2, 321471180), (3, 214314120), (4, 160735590), (5, 128588472), (6, 107157060), (8, 80367795), (9, 71438040), (10, 64294236), (12, 53578530), (15, 42862824), (18, 35719020), (20, 32147118), (24, 26789265), (27, 23812680), (30, 21431412), (36, 17859510), (40, 16073559), (45, 14287608), (54, 11906340), (60, 10715706), (72, 8929755), (81, 7937560), (90, 7143804), (108, 5953170), (120, 5357853), (135, 4762536), (162, 3968780), (180, 3571902), (216, 2976585), (270, 2381268), (324, 1984390), (360, 1785951), (405, 1587512), (540, 1190634), (648, 992195), (810, 793756), (1080, 595317), (1620, 396878), (3240, 198439)]