123476780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1789}}^1$

素因数の和:1851

約数の個数: 96

約数和(自身を含む): 324777600

約数和(自身を除く): 201300820

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 29, 34, 35, 58, 68, 70, 85, 116, 119, 140, 145, 170, 203, 238, 290, 340, 406, 476, 493, 580, 595, 812, 986, 1015, 1190, 1789, 1972, 2030, 2380, 2465, 3451, 3578, 4060, 4930, 6902, 7156, 8945, 9860, 12523, 13804, 17255, 17890, 25046, 30413, 34510, 35780, 50092, 51881, 60826, 62615, 69020, 103762, 121652, 125230, 152065, 207524, 212891, 250460, 259405, 304130, 363167, 425782, 518810, 608260, 726334, 851564, 881977, 1037620, 1064455, 1452668, 1763954, 1815835, 2128910, 3527908, 3631670, 4257820, 4409885, 6173839, 7263340, 8819770, 12347678, 17639540, 24695356, 30869195, 61738390, 123476780]

約数ペア:

[(1, 123476780), (2, 61738390), (4, 30869195), (5, 24695356), (7, 17639540), (10, 12347678), (14, 8819770), (17, 7263340), (20, 6173839), (28, 4409885), (29, 4257820), (34, 3631670), (35, 3527908), (58, 2128910), (68, 1815835), (70, 1763954), (85, 1452668), (116, 1064455), (119, 1037620), (140, 881977), (145, 851564), (170, 726334), (203, 608260), (238, 518810), (290, 425782), (340, 363167), (406, 304130), (476, 259405), (493, 250460), (580, 212891), (595, 207524), (812, 152065), (986, 125230), (1015, 121652), (1190, 103762), (1789, 69020), (1972, 62615), (2030, 60826), (2380, 51881), (2465, 50092), (3451, 35780), (3578, 34510), (4060, 30413), (4930, 25046), (6902, 17890), (7156, 17255), (8945, 13804), (9860, 12523)]