123555456

素因数分解:

$2^7\times 3^4\times {\mathrm{17}}^1\times {\mathrm{701}}^1$

素因数の和:744

約数の個数: 160

約数和(自身を含む): 389883780

約数和(自身を除く): 266328324

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 64, 68, 72, 81, 96, 102, 108, 128, 136, 144, 153, 162, 192, 204, 216, 272, 288, 306, 324, 384, 408, 432, 459, 544, 576, 612, 648, 701, 816, 864, 918, 1088, 1152, 1224, 1296, 1377, 1402, 1632, 1728, 1836, 2103, 2176, 2448, 2592, 2754, 2804, 3264, 3456, 3672, 4206, 4896, 5184, 5508, 5608, 6309, 6528, 7344, 8412, 9792, 10368, 11016, 11216, 11917, 12618, 14688, 16824, 18927, 19584, 22032, 22432, 23834, 25236, 29376, 33648, 35751, 37854, 44064, 44864, 47668, 50472, 56781, 58752, 67296, 71502, 75708, 88128, 89728, 95336, 100944, 107253, 113562, 134592, 143004, 151416, 176256, 190672, 201888, 214506, 227124, 269184, 286008, 302832, 321759, 381344, 403776, 429012, 454248, 572016, 605664, 643518, 762688, 807552, 858024, 908496, 965277, 1144032, 1211328, 1287036, 1525376, 1716048, 1816992, 1930554, 2288064, 2422656, 2574072, 3432096, 3633984, 3861108, 4576128, 5148144, 6864192, 7267968, 7722216, 10296288, 13728384, 15444432, 20592576, 30888864, 41185152, 61777728, 123555456]

約数ペア:

[(1, 123555456), (2, 61777728), (3, 41185152), (4, 30888864), (6, 20592576), (8, 15444432), (9, 13728384), (12, 10296288), (16, 7722216), (17, 7267968), (18, 6864192), (24, 5148144), (27, 4576128), (32, 3861108), (34, 3633984), (36, 3432096), (48, 2574072), (51, 2422656), (54, 2288064), (64, 1930554), (68, 1816992), (72, 1716048), (81, 1525376), (96, 1287036), (102, 1211328), (108, 1144032), (128, 965277), (136, 908496), (144, 858024), (153, 807552), (162, 762688), (192, 643518), (204, 605664), (216, 572016), (272, 454248), (288, 429012), (306, 403776), (324, 381344), (384, 321759), (408, 302832), (432, 286008), (459, 269184), (544, 227124), (576, 214506), (612, 201888), (648, 190672), (701, 176256), (816, 151416), (864, 143004), (918, 134592), (1088, 113562), (1152, 107253), (1224, 100944), (1296, 95336), (1377, 89728), (1402, 88128), (1632, 75708), (1728, 71502), (1836, 67296), (2103, 58752), (2176, 56781), (2448, 50472), (2592, 47668), (2754, 44864), (2804, 44064), (3264, 37854), (3456, 35751), (3672, 33648), (4206, 29376), (4896, 25236), (5184, 23834), (5508, 22432), (5608, 22032), (6309, 19584), (6528, 18927), (7344, 16824), (8412, 14688), (9792, 12618), (10368, 11917), (11016, 11216)]