205872840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{63541}}^1$

素因数の和:63564

約数の個数: 80

約数和(自身を含む): 691972380

約数和(自身を除く): 486099540

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, 63541, 127082, 190623, 254164, 317705, 381246, 508328, 571869, 635410, 762492, 953115, 1143738, 1270820, 1524984, 1715607, 1906230, 2287476, 2541640, 2859345, 3431214, 3812460, 4574952, 5146821, 5718690, 6862428, 7624920, 8578035, 10293642, 11437380, 13724856, 17156070, 20587284, 22874760, 25734105, 34312140, 41174568, 51468210, 68624280, 102936420, 205872840]

約数ペア:

[(1, 205872840), (2, 102936420), (3, 68624280), (4, 51468210), (5, 41174568), (6, 34312140), (8, 25734105), (9, 22874760), (10, 20587284), (12, 17156070), (15, 13724856), (18, 11437380), (20, 10293642), (24, 8578035), (27, 7624920), (30, 6862428), (36, 5718690), (40, 5146821), (45, 4574952), (54, 3812460), (60, 3431214), (72, 2859345), (81, 2541640), (90, 2287476), (108, 1906230), (120, 1715607), (135, 1524984), (162, 1270820), (180, 1143738), (216, 953115), (270, 762492), (324, 635410), (360, 571869), (405, 508328), (540, 381246), (648, 317705), (810, 254164), (1080, 190623), (1620, 127082), (3240, 63541)]