157072020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{373981}}^1$

素因数の和:374000

約数の個数: 48

約数和(自身を含む): 502631808

約数和(自身を除く): 345559788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 373981, 747962, 1121943, 1495924, 1869905, 2243886, 2617867, 3739810, 4487772, 5235734, 5609715, 7479620, 7853601, 10471468, 11219430, 13089335, 15707202, 22438860, 26178670, 31414404, 39268005, 52357340, 78536010, 157072020]

約数ペア:

[(1, 157072020), (2, 78536010), (3, 52357340), (4, 39268005), (5, 31414404), (6, 26178670), (7, 22438860), (10, 15707202), (12, 13089335), (14, 11219430), (15, 10471468), (20, 7853601), (21, 7479620), (28, 5609715), (30, 5235734), (35, 4487772), (42, 3739810), (60, 2617867), (70, 2243886), (84, 1869905), (105, 1495924), (140, 1121943), (210, 747962), (420, 373981)]