255748920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1213}}^1$

素因数の和:1485

約数の個数: 128

約数和(自身を含む): 881072640

約数和(自身を除く): 625323720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 251, 280, 420, 502, 753, 840, 1004, 1213, 1255, 1506, 1757, 2008, 2426, 2510, 3012, 3514, 3639, 3765, 4852, 5020, 5271, 6024, 6065, 7028, 7278, 7530, 8491, 8785, 9704, 10040, 10542, 12130, 14056, 14556, 15060, 16982, 17570, 18195, 21084, 24260, 25473, 26355, 29112, 30120, 33964, 35140, 36390, 42168, 42455, 48520, 50946, 52710, 67928, 70280, 72780, 84910, 101892, 105420, 127365, 145560, 169820, 203784, 210840, 254730, 304463, 339640, 509460, 608926, 913389, 1018920, 1217852, 1522315, 1826778, 2131241, 2435704, 3044630, 3653556, 4262482, 4566945, 6089260, 6393723, 7307112, 8524964, 9133890, 10656205, 12178520, 12787446, 17049928, 18267780, 21312410, 25574892, 31968615, 36535560, 42624820, 51149784, 63937230, 85249640, 127874460, 255748920]

約数ペア:

[(1, 255748920), (2, 127874460), (3, 85249640), (4, 63937230), (5, 51149784), (6, 42624820), (7, 36535560), (8, 31968615), (10, 25574892), (12, 21312410), (14, 18267780), (15, 17049928), (20, 12787446), (21, 12178520), (24, 10656205), (28, 9133890), (30, 8524964), (35, 7307112), (40, 6393723), (42, 6089260), (56, 4566945), (60, 4262482), (70, 3653556), (84, 3044630), (105, 2435704), (120, 2131241), (140, 1826778), (168, 1522315), (210, 1217852), (251, 1018920), (280, 913389), (420, 608926), (502, 509460), (753, 339640), (840, 304463), (1004, 254730), (1213, 210840), (1255, 203784), (1506, 169820), (1757, 145560), (2008, 127365), (2426, 105420), (2510, 101892), (3012, 84910), (3514, 72780), (3639, 70280), (3765, 67928), (4852, 52710), (5020, 50946), (5271, 48520), (6024, 42455), (6065, 42168), (7028, 36390), (7278, 35140), (7530, 33964), (8491, 30120), (8785, 29112), (9704, 26355), (10040, 25473), (10542, 24260), (12130, 21084), (14056, 18195), (14556, 17570), (15060, 16982)]