220421040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{131203}}^1$

素因数の和:131226

約数の個数: 80

約数和(自身を含む): 780926208

約数和(自身を除く): 560505168

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, 131203, 262406, 393609, 524812, 656015, 787218, 918421, 1049624, 1312030, 1574436, 1836842, 1968045, 2099248, 2624060, 2755263, 3148872, 3673684, 3936090, 4592105, 5248120, 5510526, 6297744, 7347368, 7872180, 9184210, 10496240, 11021052, 13776315, 14694736, 15744360, 18368420, 22042104, 27552630, 31488720, 36736840, 44084208, 55105260, 73473680, 110210520, 220421040]

約数ペア:

[(1, 220421040), (2, 110210520), (3, 73473680), (4, 55105260), (5, 44084208), (6, 36736840), (7, 31488720), (8, 27552630), (10, 22042104), (12, 18368420), (14, 15744360), (15, 14694736), (16, 13776315), (20, 11021052), (21, 10496240), (24, 9184210), (28, 7872180), (30, 7347368), (35, 6297744), (40, 5510526), (42, 5248120), (48, 4592105), (56, 3936090), (60, 3673684), (70, 3148872), (80, 2755263), (84, 2624060), (105, 2099248), (112, 1968045), (120, 1836842), (140, 1574436), (168, 1312030), (210, 1049624), (240, 918421), (280, 787218), (336, 656015), (420, 524812), (560, 393609), (840, 262406), (1680, 131203)]