28354860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{761}}^1$

素因数の和:805

約数の個数: 120

約数和(自身を含む): 92939616

約数和(自身を除く): 64584756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 81, 90, 92, 108, 115, 135, 138, 162, 180, 207, 230, 270, 276, 324, 345, 405, 414, 460, 540, 621, 690, 761, 810, 828, 1035, 1242, 1380, 1522, 1620, 1863, 2070, 2283, 2484, 3044, 3105, 3726, 3805, 4140, 4566, 6210, 6849, 7452, 7610, 9132, 9315, 11415, 12420, 13698, 15220, 17503, 18630, 20547, 22830, 27396, 34245, 35006, 37260, 41094, 45660, 52509, 61641, 68490, 70012, 82188, 87515, 102735, 105018, 123282, 136980, 157527, 175030, 205470, 210036, 246564, 262545, 308205, 315054, 350060, 410940, 472581, 525090, 616410, 630108, 787635, 945162, 1050180, 1232820, 1417743, 1575270, 1890324, 2362905, 2835486, 3150540, 4725810, 5670972, 7088715, 9451620, 14177430, 28354860]

約数ペア:

[(1, 28354860), (2, 14177430), (3, 9451620), (4, 7088715), (5, 5670972), (6, 4725810), (9, 3150540), (10, 2835486), (12, 2362905), (15, 1890324), (18, 1575270), (20, 1417743), (23, 1232820), (27, 1050180), (30, 945162), (36, 787635), (45, 630108), (46, 616410), (54, 525090), (60, 472581), (69, 410940), (81, 350060), (90, 315054), (92, 308205), (108, 262545), (115, 246564), (135, 210036), (138, 205470), (162, 175030), (180, 157527), (207, 136980), (230, 123282), (270, 105018), (276, 102735), (324, 87515), (345, 82188), (405, 70012), (414, 68490), (460, 61641), (540, 52509), (621, 45660), (690, 41094), (761, 37260), (810, 35006), (828, 34245), (1035, 27396), (1242, 22830), (1380, 20547), (1522, 18630), (1620, 17503), (1863, 15220), (2070, 13698), (2283, 12420), (2484, 11415), (3044, 9315), (3105, 9132), (3726, 7610), (3805, 7452), (4140, 6849), (4566, 6210)]