80160668

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 171601920

約数和(自身を除く): 91441252

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 79, 98, 124, 158, 167, 196, 217, 316, 334, 434, 553, 668, 868, 1106, 1169, 1519, 2212, 2338, 2449, 3038, 3871, 4676, 4898, 5177, 6076, 7742, 8183, 9796, 10354, 13193, 15484, 16366, 17143, 20708, 26386, 32732, 34286, 36239, 52772, 68572, 72478, 92351, 120001, 144956, 184702, 240002, 253673, 369404, 408983, 480004, 507346, 646457, 817966, 1014692, 1292914, 1635932, 2585828, 2862881, 5725762, 11451524, 20040167, 40080334, 80160668]

約数ペア:

[(1, 80160668), (2, 40080334), (4, 20040167), (7, 11451524), (14, 5725762), (28, 2862881), (31, 2585828), (49, 1635932), (62, 1292914), (79, 1014692), (98, 817966), (124, 646457), (158, 507346), (167, 480004), (196, 408983), (217, 369404), (316, 253673), (334, 240002), (434, 184702), (553, 144956), (668, 120001), (868, 92351), (1106, 72478), (1169, 68572), (1519, 52772), (2212, 36239), (2338, 34286), (2449, 32732), (3038, 26386), (3871, 20708), (4676, 17143), (4898, 16366), (5177, 15484), (6076, 13193), (7742, 10354), (8183, 9796)]