85427440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1931}}^1$

素因数の和:2030

約数の個数: 80

約数和(自身を含む): 229985280

約数和(自身を除く): 144557840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 1106, 1264, 1580, 1931, 2212, 2765, 3160, 3862, 4424, 5530, 6320, 7724, 8848, 9655, 11060, 13517, 15448, 19310, 22120, 27034, 30896, 38620, 44240, 54068, 67585, 77240, 108136, 135170, 152549, 154480, 216272, 270340, 305098, 540680, 610196, 762745, 1067843, 1081360, 1220392, 1525490, 2135686, 2440784, 3050980, 4271372, 5339215, 6101960, 8542744, 10678430, 12203920, 17085488, 21356860, 42713720, 85427440]

約数ペア:

[(1, 85427440), (2, 42713720), (4, 21356860), (5, 17085488), (7, 12203920), (8, 10678430), (10, 8542744), (14, 6101960), (16, 5339215), (20, 4271372), (28, 3050980), (35, 2440784), (40, 2135686), (56, 1525490), (70, 1220392), (79, 1081360), (80, 1067843), (112, 762745), (140, 610196), (158, 540680), (280, 305098), (316, 270340), (395, 216272), (553, 154480), (560, 152549), (632, 135170), (790, 108136), (1106, 77240), (1264, 67585), (1580, 54068), (1931, 44240), (2212, 38620), (2765, 30896), (3160, 27034), (3862, 22120), (4424, 19310), (5530, 15448), (6320, 13517), (7724, 11060), (8848, 9655)]