280135128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4423}}^1$

素因数の和:4481

約数の個数: 128

約数和(自身を含む): 891878400

約数和(自身を除く): 611743272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 29, 39, 42, 52, 56, 58, 78, 84, 87, 91, 104, 116, 156, 168, 174, 182, 203, 232, 273, 312, 348, 364, 377, 406, 546, 609, 696, 728, 754, 812, 1092, 1131, 1218, 1508, 1624, 2184, 2262, 2436, 2639, 3016, 4423, 4524, 4872, 5278, 7917, 8846, 9048, 10556, 13269, 15834, 17692, 21112, 26538, 30961, 31668, 35384, 53076, 57499, 61922, 63336, 92883, 106152, 114998, 123844, 128267, 172497, 185766, 229996, 247688, 256534, 344994, 371532, 384801, 402493, 459992, 513068, 689988, 743064, 769602, 804986, 897869, 1026136, 1207479, 1379976, 1539204, 1609972, 1667471, 1795738, 2414958, 2693607, 3078408, 3219944, 3334942, 3591476, 4829916, 5002413, 5387214, 6669884, 7182952, 9659832, 10004826, 10774428, 11672297, 13339768, 20009652, 21548856, 23344594, 35016891, 40019304, 46689188, 70033782, 93378376, 140067564, 280135128]

約数ペア:

[(1, 280135128), (2, 140067564), (3, 93378376), (4, 70033782), (6, 46689188), (7, 40019304), (8, 35016891), (12, 23344594), (13, 21548856), (14, 20009652), (21, 13339768), (24, 11672297), (26, 10774428), (28, 10004826), (29, 9659832), (39, 7182952), (42, 6669884), (52, 5387214), (56, 5002413), (58, 4829916), (78, 3591476), (84, 3334942), (87, 3219944), (91, 3078408), (104, 2693607), (116, 2414958), (156, 1795738), (168, 1667471), (174, 1609972), (182, 1539204), (203, 1379976), (232, 1207479), (273, 1026136), (312, 897869), (348, 804986), (364, 769602), (377, 743064), (406, 689988), (546, 513068), (609, 459992), (696, 402493), (728, 384801), (754, 371532), (812, 344994), (1092, 256534), (1131, 247688), (1218, 229996), (1508, 185766), (1624, 172497), (2184, 128267), (2262, 123844), (2436, 114998), (2639, 106152), (3016, 92883), (4423, 63336), (4524, 61922), (4872, 57499), (5278, 53076), (7917, 35384), (8846, 31668), (9048, 30961), (10556, 26538), (13269, 21112), (15834, 17692)]