1218840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1451}}^1$

素因数の和:1472

約数の個数: 64

約数和(自身を含む): 4181760

約数和(自身を除く): 2962920

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, 280, 420, 840, 1451, 2902, 4353, 5804, 7255, 8706, 10157, 11608, 14510, 17412, 20314, 21765, 29020, 30471, 34824, 40628, 43530, 50785, 58040, 60942, 81256, 87060, 101570, 121884, 152355, 174120, 203140, 243768, 304710, 406280, 609420, 1218840]

約数ペア:

[(1, 1218840), (2, 609420), (3, 406280), (4, 304710), (5, 243768), (6, 203140), (7, 174120), (8, 152355), (10, 121884), (12, 101570), (14, 87060), (15, 81256), (20, 60942), (21, 58040), (24, 50785), (28, 43530), (30, 40628), (35, 34824), (40, 30471), (42, 29020), (56, 21765), (60, 20314), (70, 17412), (84, 14510), (105, 11608), (120, 10157), (140, 8706), (168, 7255), (210, 5804), (280, 4353), (420, 2902), (840, 1451)]