278925360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{166027}}^1$

素因数の和:166050

約数の個数: 80

約数和(自身を含む): 988198656

約数和(自身を除く): 709273296

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, 166027, 332054, 498081, 664108, 830135, 996162, 1162189, 1328216, 1660270, 1992324, 2324378, 2490405, 2656432, 3320540, 3486567, 3984648, 4648756, 4980810, 5810945, 6641080, 6973134, 7969296, 9297512, 9961620, 11621890, 13282160, 13946268, 17432835, 18595024, 19923240, 23243780, 27892536, 34865670, 39846480, 46487560, 55785072, 69731340, 92975120, 139462680, 278925360]

約数ペア:

[(1, 278925360), (2, 139462680), (3, 92975120), (4, 69731340), (5, 55785072), (6, 46487560), (7, 39846480), (8, 34865670), (10, 27892536), (12, 23243780), (14, 19923240), (15, 18595024), (16, 17432835), (20, 13946268), (21, 13282160), (24, 11621890), (28, 9961620), (30, 9297512), (35, 7969296), (40, 6973134), (42, 6641080), (48, 5810945), (56, 4980810), (60, 4648756), (70, 3984648), (80, 3486567), (84, 3320540), (105, 2656432), (112, 2490405), (120, 2324378), (140, 1992324), (168, 1660270), (210, 1328216), (240, 1162189), (280, 996162), (336, 830135), (420, 664108), (560, 498081), (840, 332054), (1680, 166027)]