647248560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{385267}}^1$

素因数の和:385290

約数の個数: 80

約数和(自身を含む): 2293115136

約数和(自身を除く): 1645866576

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, 385267, 770534, 1155801, 1541068, 1926335, 2311602, 2696869, 3082136, 3852670, 4623204, 5393738, 5779005, 6164272, 7705340, 8090607, 9246408, 10787476, 11558010, 13484345, 15410680, 16181214, 18492816, 21574952, 23116020, 26968690, 30821360, 32362428, 40453035, 43149904, 46232040, 53937380, 64724856, 80906070, 92464080, 107874760, 129449712, 161812140, 215749520, 323624280, 647248560]

約数ペア:

[(1, 647248560), (2, 323624280), (3, 215749520), (4, 161812140), (5, 129449712), (6, 107874760), (7, 92464080), (8, 80906070), (10, 64724856), (12, 53937380), (14, 46232040), (15, 43149904), (16, 40453035), (20, 32362428), (21, 30821360), (24, 26968690), (28, 23116020), (30, 21574952), (35, 18492816), (40, 16181214), (42, 15410680), (48, 13484345), (56, 11558010), (60, 10787476), (70, 9246408), (80, 8090607), (84, 7705340), (105, 6164272), (112, 5779005), (120, 5393738), (140, 4623204), (168, 3852670), (210, 3082136), (240, 2696869), (280, 2311602), (336, 1926335), (420, 1541068), (560, 1155801), (840, 770534), (1680, 385267)]