686139660

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{141181}}^1$

素因数の和:141205

約数の個数: 72

約数和(自身を含む): 2158390416

約数和(自身を除く): 1472250756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 141181, 282362, 423543, 564724, 705905, 847086, 1270629, 1411810, 1694172, 2117715, 2541258, 2823620, 3811887, 4235430, 5082516, 6353145, 7623774, 8470860, 11435661, 12706290, 15247548, 19059435, 22871322, 25412580, 34306983, 38118870, 45742644, 57178305, 68613966, 76237740, 114356610, 137227932, 171534915, 228713220, 343069830, 686139660]

約数ペア:

[(1, 686139660), (2, 343069830), (3, 228713220), (4, 171534915), (5, 137227932), (6, 114356610), (9, 76237740), (10, 68613966), (12, 57178305), (15, 45742644), (18, 38118870), (20, 34306983), (27, 25412580), (30, 22871322), (36, 19059435), (45, 15247548), (54, 12706290), (60, 11435661), (81, 8470860), (90, 7623774), (108, 6353145), (135, 5082516), (162, 4235430), (180, 3811887), (243, 2823620), (270, 2541258), (324, 2117715), (405, 1694172), (486, 1411810), (540, 1270629), (810, 847086), (972, 705905), (1215, 564724), (1620, 423543), (2430, 282362), (4860, 141181)]