4492020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{443}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 13650336

約数和(自身を除く): 9158316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 443, 507, 676, 780, 845, 886, 1014, 1329, 1690, 1772, 2028, 2215, 2535, 2658, 3380, 4430, 5070, 5316, 5759, 6645, 8860, 10140, 11518, 13290, 17277, 23036, 26580, 28795, 34554, 57590, 69108, 74867, 86385, 115180, 149734, 172770, 224601, 299468, 345540, 374335, 449202, 748670, 898404, 1123005, 1497340, 2246010, 4492020]

約数ペア:

[(1, 4492020), (2, 2246010), (3, 1497340), (4, 1123005), (5, 898404), (6, 748670), (10, 449202), (12, 374335), (13, 345540), (15, 299468), (20, 224601), (26, 172770), (30, 149734), (39, 115180), (52, 86385), (60, 74867), (65, 69108), (78, 57590), (130, 34554), (156, 28795), (169, 26580), (195, 23036), (260, 17277), (338, 13290), (390, 11518), (443, 10140), (507, 8860), (676, 6645), (780, 5759), (845, 5316), (886, 5070), (1014, 4430), (1329, 3380), (1690, 2658), (1772, 2535), (2028, 2215)]