254437680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{151451}}^1$

素因数の和:151474

約数の個数: 80

約数和(自身を含む): 901442304

約数和(自身を除く): 647004624

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, 151451, 302902, 454353, 605804, 757255, 908706, 1060157, 1211608, 1514510, 1817412, 2120314, 2271765, 2423216, 3029020, 3180471, 3634824, 4240628, 4543530, 5300785, 6058040, 6360942, 7269648, 8481256, 9087060, 10601570, 12116080, 12721884, 15902355, 16962512, 18174120, 21203140, 25443768, 31804710, 36348240, 42406280, 50887536, 63609420, 84812560, 127218840, 254437680]

約数ペア:

[(1, 254437680), (2, 127218840), (3, 84812560), (4, 63609420), (5, 50887536), (6, 42406280), (7, 36348240), (8, 31804710), (10, 25443768), (12, 21203140), (14, 18174120), (15, 16962512), (16, 15902355), (20, 12721884), (21, 12116080), (24, 10601570), (28, 9087060), (30, 8481256), (35, 7269648), (40, 6360942), (42, 6058040), (48, 5300785), (56, 4543530), (60, 4240628), (70, 3634824), (80, 3180471), (84, 3029020), (105, 2423216), (112, 2271765), (120, 2120314), (140, 1817412), (168, 1514510), (210, 1211608), (240, 1060157), (280, 908706), (336, 757255), (420, 605804), (560, 454353), (840, 302902), (1680, 151451)]