72652020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{172981}}^1$

素因数の和:173000

約数の個数: 48

約数和(自身を含む): 232487808

約数和(自身を除く): 159835788

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, 172981, 345962, 518943, 691924, 864905, 1037886, 1210867, 1729810, 2075772, 2421734, 2594715, 3459620, 3632601, 4843468, 5189430, 6054335, 7265202, 10378860, 12108670, 14530404, 18163005, 24217340, 36326010, 72652020]

約数ペア:

[(1, 72652020), (2, 36326010), (3, 24217340), (4, 18163005), (5, 14530404), (6, 12108670), (7, 10378860), (10, 7265202), (12, 6054335), (14, 5189430), (15, 4843468), (20, 3632601), (21, 3459620), (28, 2594715), (30, 2421734), (35, 2075772), (42, 1729810), (60, 1210867), (70, 1037886), (84, 864905), (105, 691924), (140, 518943), (210, 345962), (420, 172981)]