2389720240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{601}}^1\times {\mathrm{2161}}^1$

素因数の和:2798

約数の個数: 80

約数和(自身を含む): 5810003136

約数和(自身を除く): 3420282896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 601, 920, 1202, 1840, 2161, 2404, 3005, 4322, 4808, 6010, 8644, 9616, 10805, 12020, 13823, 17288, 21610, 24040, 27646, 34576, 43220, 48080, 49703, 55292, 69115, 86440, 99406, 110584, 138230, 172880, 198812, 221168, 248515, 276460, 397624, 497030, 552920, 795248, 994060, 1105840, 1298761, 1988120, 2597522, 3976240, 5195044, 6493805, 10390088, 12987610, 20780176, 25975220, 29871503, 51950440, 59743006, 103900880, 119486012, 149357515, 238972024, 298715030, 477944048, 597430060, 1194860120, 2389720240]

約数ペア:

[(1, 2389720240), (2, 1194860120), (4, 597430060), (5, 477944048), (8, 298715030), (10, 238972024), (16, 149357515), (20, 119486012), (23, 103900880), (40, 59743006), (46, 51950440), (80, 29871503), (92, 25975220), (115, 20780176), (184, 12987610), (230, 10390088), (368, 6493805), (460, 5195044), (601, 3976240), (920, 2597522), (1202, 1988120), (1840, 1298761), (2161, 1105840), (2404, 994060), (3005, 795248), (4322, 552920), (4808, 497030), (6010, 397624), (8644, 276460), (9616, 248515), (10805, 221168), (12020, 198812), (13823, 172880), (17288, 138230), (21610, 110584), (24040, 99406), (27646, 86440), (34576, 69115), (43220, 55292), (48080, 49703)]