87000720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15761}}^1$

素因数の和:15800

約数の個数: 80

約数和(自身を含む): 281446272

約数和(自身を除く): 194445552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 15761, 31522, 47283, 63044, 78805, 94566, 126088, 157610, 189132, 236415, 252176, 315220, 362503, 378264, 472830, 630440, 725006, 756528, 945660, 1087509, 1260880, 1450012, 1812515, 1891320, 2175018, 2900024, 3625030, 3782640, 4350036, 5437545, 5800048, 7250060, 8700072, 10875090, 14500120, 17400144, 21750180, 29000240, 43500360, 87000720]

約数ペア:

[(1, 87000720), (2, 43500360), (3, 29000240), (4, 21750180), (5, 17400144), (6, 14500120), (8, 10875090), (10, 8700072), (12, 7250060), (15, 5800048), (16, 5437545), (20, 4350036), (23, 3782640), (24, 3625030), (30, 2900024), (40, 2175018), (46, 1891320), (48, 1812515), (60, 1450012), (69, 1260880), (80, 1087509), (92, 945660), (115, 756528), (120, 725006), (138, 630440), (184, 472830), (230, 378264), (240, 362503), (276, 315220), (345, 252176), (368, 236415), (460, 189132), (552, 157610), (690, 126088), (920, 94566), (1104, 78805), (1380, 63044), (1840, 47283), (2760, 31522), (5520, 15761)]