28636020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22727}}^1$

素因数の和:22749

約数の個数: 72

約数和(自身を含む): 99275904

約数和(自身を除く): 70639884

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 22727, 45454, 68181, 90908, 113635, 136362, 159089, 204543, 227270, 272724, 318178, 340905, 409086, 454540, 477267, 636356, 681810, 795445, 818172, 954534, 1022715, 1363620, 1431801, 1590890, 1909068, 2045430, 2386335, 2863602, 3181780, 4090860, 4772670, 5727204, 7159005, 9545340, 14318010, 28636020]

約数ペア:

[(1, 28636020), (2, 14318010), (3, 9545340), (4, 7159005), (5, 5727204), (6, 4772670), (7, 4090860), (9, 3181780), (10, 2863602), (12, 2386335), (14, 2045430), (15, 1909068), (18, 1590890), (20, 1431801), (21, 1363620), (28, 1022715), (30, 954534), (35, 818172), (36, 795445), (42, 681810), (45, 636356), (60, 477267), (63, 454540), (70, 409086), (84, 340905), (90, 318178), (105, 272724), (126, 227270), (140, 204543), (180, 159089), (210, 136362), (252, 113635), (315, 90908), (420, 68181), (630, 45454), (1260, 22727)]