421644720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{250979}}^1$

素因数の和:251002

約数の個数: 80

約数和(自身を含む): 1493832960

約数和(自身を除く): 1072188240

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, 250979, 501958, 752937, 1003916, 1254895, 1505874, 1756853, 2007832, 2509790, 3011748, 3513706, 3764685, 4015664, 5019580, 5270559, 6023496, 7027412, 7529370, 8784265, 10039160, 10541118, 12046992, 14054824, 15058740, 17568530, 20078320, 21082236, 26352795, 28109648, 30117480, 35137060, 42164472, 52705590, 60234960, 70274120, 84328944, 105411180, 140548240, 210822360, 421644720]

約数ペア:

[(1, 421644720), (2, 210822360), (3, 140548240), (4, 105411180), (5, 84328944), (6, 70274120), (7, 60234960), (8, 52705590), (10, 42164472), (12, 35137060), (14, 30117480), (15, 28109648), (16, 26352795), (20, 21082236), (21, 20078320), (24, 17568530), (28, 15058740), (30, 14054824), (35, 12046992), (40, 10541118), (42, 10039160), (48, 8784265), (56, 7529370), (60, 7027412), (70, 6023496), (80, 5270559), (84, 5019580), (105, 4015664), (112, 3764685), (120, 3513706), (140, 3011748), (168, 2509790), (210, 2007832), (240, 1756853), (280, 1505874), (336, 1254895), (420, 1003916), (560, 752937), (840, 501958), (1680, 250979)]