28393740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1031}}^1$

素因数の和:1069

約数の個数: 120

約数和(自身を含む): 94403232

約数和(自身を除く): 66009492

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, 255, 270, 306, 324, 340, 405, 459, 510, 540, 612, 765, 810, 918, 1020, 1031, 1377, 1530, 1620, 1836, 2062, 2295, 2754, 3060, 3093, 4124, 4590, 5155, 5508, 6186, 6885, 9180, 9279, 10310, 12372, 13770, 15465, 17527, 18558, 20620, 27540, 27837, 30930, 35054, 37116, 46395, 52581, 55674, 61860, 70108, 83511, 87635, 92790, 105162, 111348, 139185, 157743, 167022, 175270, 185580, 210324, 262905, 278370, 315486, 334044, 350540, 417555, 473229, 525810, 556740, 630972, 788715, 835110, 946458, 1051620, 1419687, 1577430, 1670220, 1892916, 2366145, 2839374, 3154860, 4732290, 5678748, 7098435, 9464580, 14196870, 28393740]

約数ペア:

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