217631120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{683}}^1$

素因数の和:1272

約数の個数: 80

約数和(自身を含む): 580141440

約数和(自身を除く): 362510320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 569, 683, 1138, 1366, 2276, 2732, 2845, 3415, 3983, 4552, 4781, 5464, 5690, 6830, 7966, 9104, 9562, 10928, 11380, 13660, 15932, 19124, 19915, 22760, 23905, 27320, 31864, 38248, 39830, 45520, 47810, 54640, 63728, 76496, 79660, 95620, 159320, 191240, 318640, 382480, 388627, 777254, 1554508, 1943135, 2720389, 3109016, 3886270, 5440778, 6218032, 7772540, 10881556, 13601945, 15545080, 21763112, 27203890, 31090160, 43526224, 54407780, 108815560, 217631120]

約数ペア:

[(1, 217631120), (2, 108815560), (4, 54407780), (5, 43526224), (7, 31090160), (8, 27203890), (10, 21763112), (14, 15545080), (16, 13601945), (20, 10881556), (28, 7772540), (35, 6218032), (40, 5440778), (56, 3886270), (70, 3109016), (80, 2720389), (112, 1943135), (140, 1554508), (280, 777254), (560, 388627), (569, 382480), (683, 318640), (1138, 191240), (1366, 159320), (2276, 95620), (2732, 79660), (2845, 76496), (3415, 63728), (3983, 54640), (4552, 47810), (4781, 45520), (5464, 39830), (5690, 38248), (6830, 31864), (7966, 27320), (9104, 23905), (9562, 22760), (10928, 19915), (11380, 19124), (13660, 15932)]