208012560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{123817}}^1$

素因数の和:123840

約数の個数: 80

約数和(自身を含む): 736964736

約数和(自身を除く): 528952176

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 123817, 247634, 371451, 495268, 619085, 742902, 866719, 990536, 1238170, 1485804, 1733438, 1857255, 1981072, 2476340, 2600157, 2971608, 3466876, 3714510, 4333595, 4952680, 5200314, 5943216, 6933752, 7429020, 8667190, 9905360, 10400628, 13000785, 13867504, 14858040, 17334380, 20801256, 26001570, 29716080, 34668760, 41602512, 52003140, 69337520, 104006280, 208012560]

約数ペア:

[(1, 208012560), (2, 104006280), (3, 69337520), (4, 52003140), (5, 41602512), (6, 34668760), (7, 29716080), (8, 26001570), (10, 20801256), (12, 17334380), (14, 14858040), (15, 13867504), (16, 13000785), (20, 10400628), (21, 9905360), (24, 8667190), (28, 7429020), (30, 6933752), (35, 5943216), (40, 5200314), (42, 4952680), (48, 4333595), (56, 3714510), (60, 3466876), (70, 2971608), (80, 2600157), (84, 2476340), (105, 1981072), (112, 1857255), (120, 1733438), (140, 1485804), (168, 1238170), (210, 990536), (240, 866719), (280, 742902), (336, 619085), (420, 495268), (560, 371451), (840, 247634), (1680, 123817)]