165800560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{359}}^1$

素因数の和:646

約数の個数: 80

約数和(自身を含む): 404974080

約数和(自身を除く): 239173520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 251, 359, 368, 460, 502, 718, 920, 1004, 1255, 1436, 1795, 1840, 2008, 2510, 2872, 3590, 4016, 5020, 5744, 5773, 7180, 8257, 10040, 11546, 14360, 16514, 20080, 23092, 28720, 28865, 33028, 41285, 46184, 57730, 66056, 82570, 90109, 92368, 115460, 132112, 165140, 180218, 230920, 330280, 360436, 450545, 461840, 660560, 720872, 901090, 1441744, 1802180, 2072507, 3604360, 4145014, 7208720, 8290028, 10362535, 16580056, 20725070, 33160112, 41450140, 82900280, 165800560]

約数ペア:

[(1, 165800560), (2, 82900280), (4, 41450140), (5, 33160112), (8, 20725070), (10, 16580056), (16, 10362535), (20, 8290028), (23, 7208720), (40, 4145014), (46, 3604360), (80, 2072507), (92, 1802180), (115, 1441744), (184, 901090), (230, 720872), (251, 660560), (359, 461840), (368, 450545), (460, 360436), (502, 330280), (718, 230920), (920, 180218), (1004, 165140), (1255, 132112), (1436, 115460), (1795, 92368), (1840, 90109), (2008, 82570), (2510, 66056), (2872, 57730), (3590, 46184), (4016, 41285), (5020, 33028), (5744, 28865), (5773, 28720), (7180, 23092), (8257, 20080), (10040, 16514), (11546, 14360)]