85181220

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1031}}^1$

素因数の和:1072

約数の個数: 144

約数和(自身を含む): 283989888

約数和(自身を除く): 198808668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 243, 255, 270, 306, 324, 340, 405, 459, 486, 510, 540, 612, 765, 810, 918, 972, 1020, 1031, 1215, 1377, 1530, 1620, 1836, 2062, 2295, 2430, 2754, 3060, 3093, 4124, 4131, 4590, 4860, 5155, 5508, 6186, 6885, 8262, 9180, 9279, 10310, 12372, 13770, 15465, 16524, 17527, 18558, 20620, 20655, 27540, 27837, 30930, 35054, 37116, 41310, 46395, 52581, 55674, 61860, 70108, 82620, 83511, 87635, 92790, 105162, 111348, 139185, 157743, 167022, 175270, 185580, 210324, 250533, 262905, 278370, 315486, 334044, 350540, 417555, 473229, 501066, 525810, 556740, 630972, 788715, 835110, 946458, 1002132, 1051620, 1252665, 1419687, 1577430, 1670220, 1892916, 2366145, 2505330, 2839374, 3154860, 4259061, 4732290, 5010660, 5678748, 7098435, 8518122, 9464580, 14196870, 17036244, 21295305, 28393740, 42590610, 85181220]

約数ペア:

[(1, 85181220), (2, 42590610), (3, 28393740), (4, 21295305), (5, 17036244), (6, 14196870), (9, 9464580), (10, 8518122), (12, 7098435), (15, 5678748), (17, 5010660), (18, 4732290), (20, 4259061), (27, 3154860), (30, 2839374), (34, 2505330), (36, 2366145), (45, 1892916), (51, 1670220), (54, 1577430), (60, 1419687), (68, 1252665), (81, 1051620), (85, 1002132), (90, 946458), (102, 835110), (108, 788715), (135, 630972), (153, 556740), (162, 525810), (170, 501066), (180, 473229), (204, 417555), (243, 350540), (255, 334044), (270, 315486), (306, 278370), (324, 262905), (340, 250533), (405, 210324), (459, 185580), (486, 175270), (510, 167022), (540, 157743), (612, 139185), (765, 111348), (810, 105162), (918, 92790), (972, 87635), (1020, 83511), (1031, 82620), (1215, 70108), (1377, 61860), (1530, 55674), (1620, 52581), (1836, 46395), (2062, 41310), (2295, 37116), (2430, 35054), (2754, 30930), (3060, 27837), (3093, 27540), (4124, 20655), (4131, 20620), (4590, 18558), (4860, 17527), (5155, 16524), (5508, 15465), (6186, 13770), (6885, 12372), (8262, 10310), (9180, 9279)]