318562020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{252827}}^1$

素因数の和:252849

約数の個数: 72

約数和(自身を含む): 1104352704

約数和(自身を除く): 785790684

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, 252827, 505654, 758481, 1011308, 1264135, 1516962, 1769789, 2275443, 2528270, 3033924, 3539578, 3792405, 4550886, 5056540, 5309367, 7079156, 7584810, 8848945, 9101772, 10618734, 11377215, 15169620, 15928101, 17697890, 21237468, 22754430, 26546835, 31856202, 35395780, 45508860, 53093670, 63712404, 79640505, 106187340, 159281010, 318562020]

約数ペア:

[(1, 318562020), (2, 159281010), (3, 106187340), (4, 79640505), (5, 63712404), (6, 53093670), (7, 45508860), (9, 35395780), (10, 31856202), (12, 26546835), (14, 22754430), (15, 21237468), (18, 17697890), (20, 15928101), (21, 15169620), (28, 11377215), (30, 10618734), (35, 9101772), (36, 8848945), (42, 7584810), (45, 7079156), (60, 5309367), (63, 5056540), (70, 4550886), (84, 3792405), (90, 3539578), (105, 3033924), (126, 2528270), (140, 2275443), (180, 1769789), (210, 1516962), (252, 1264135), (315, 1011308), (420, 758481), (630, 505654), (1260, 252827)]