388959660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1609}}^1$

素因数の和:1720

約数の個数: 144

約数和(自身を含む): 1265846400

約数和(自身を除く): 876886740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 79, 85, 90, 102, 153, 158, 170, 180, 204, 237, 255, 306, 316, 340, 395, 474, 510, 612, 711, 765, 790, 948, 1020, 1185, 1343, 1422, 1530, 1580, 1609, 2370, 2686, 2844, 3060, 3218, 3555, 4029, 4740, 4827, 5372, 6436, 6715, 7110, 8045, 8058, 9654, 12087, 13430, 14220, 14481, 16090, 16116, 19308, 20145, 24135, 24174, 26860, 27353, 28962, 32180, 40290, 48270, 48348, 54706, 57924, 60435, 72405, 80580, 82059, 96540, 109412, 120870, 127111, 136765, 144810, 164118, 241740, 246177, 254222, 273530, 289620, 328236, 381333, 410295, 492354, 508444, 547060, 635555, 762666, 820590, 984708, 1143999, 1230885, 1271110, 1525332, 1641180, 1906665, 2160887, 2287998, 2461770, 2542220, 3813330, 4321774, 4575996, 4923540, 5719995, 6482661, 7626660, 8643548, 10804435, 11439990, 12965322, 19447983, 21608870, 22879980, 25930644, 32413305, 38895966, 43217740, 64826610, 77791932, 97239915, 129653220, 194479830, 388959660]

約数ペア:

[(1, 388959660), (2, 194479830), (3, 129653220), (4, 97239915), (5, 77791932), (6, 64826610), (9, 43217740), (10, 38895966), (12, 32413305), (15, 25930644), (17, 22879980), (18, 21608870), (20, 19447983), (30, 12965322), (34, 11439990), (36, 10804435), (45, 8643548), (51, 7626660), (60, 6482661), (68, 5719995), (79, 4923540), (85, 4575996), (90, 4321774), (102, 3813330), (153, 2542220), (158, 2461770), (170, 2287998), (180, 2160887), (204, 1906665), (237, 1641180), (255, 1525332), (306, 1271110), (316, 1230885), (340, 1143999), (395, 984708), (474, 820590), (510, 762666), (612, 635555), (711, 547060), (765, 508444), (790, 492354), (948, 410295), (1020, 381333), (1185, 328236), (1343, 289620), (1422, 273530), (1530, 254222), (1580, 246177), (1609, 241740), (2370, 164118), (2686, 144810), (2844, 136765), (3060, 127111), (3218, 120870), (3555, 109412), (4029, 96540), (4740, 82059), (4827, 80580), (5372, 72405), (6436, 60435), (6715, 57924), (7110, 54706), (8045, 48348), (8058, 48270), (9654, 40290), (12087, 32180), (13430, 28962), (14220, 27353), (14481, 26860), (16090, 24174), (16116, 24135), (19308, 20145)]