421680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 1499904

約数和(自身を除く): 1078224

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, 251, 280, 336, 420, 502, 560, 753, 840, 1004, 1255, 1506, 1680, 1757, 2008, 2510, 3012, 3514, 3765, 4016, 5020, 5271, 6024, 7028, 7530, 8785, 10040, 10542, 12048, 14056, 15060, 17570, 20080, 21084, 26355, 28112, 30120, 35140, 42168, 52710, 60240, 70280, 84336, 105420, 140560, 210840, 421680]

約数ペア:

[(1, 421680), (2, 210840), (3, 140560), (4, 105420), (5, 84336), (6, 70280), (7, 60240), (8, 52710), (10, 42168), (12, 35140), (14, 30120), (15, 28112), (16, 26355), (20, 21084), (21, 20080), (24, 17570), (28, 15060), (30, 14056), (35, 12048), (40, 10542), (42, 10040), (48, 8785), (56, 7530), (60, 7028), (70, 6024), (80, 5271), (84, 5020), (105, 4016), (112, 3765), (120, 3514), (140, 3012), (168, 2510), (210, 2008), (240, 1757), (251, 1680), (280, 1506), (336, 1255), (420, 1004), (502, 840), (560, 753)]