90581680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{161753}}^1$

素因数の和:161773

約数の個数: 40

約数和(自身を含む): 240689952

約数和(自身を除く): 150108272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 161753, 323506, 647012, 808765, 1132271, 1294024, 1617530, 2264542, 2588048, 3235060, 4529084, 5661355, 6470120, 9058168, 11322710, 12940240, 18116336, 22645420, 45290840, 90581680]

約数ペア:

[(1, 90581680), (2, 45290840), (4, 22645420), (5, 18116336), (7, 12940240), (8, 11322710), (10, 9058168), (14, 6470120), (16, 5661355), (20, 4529084), (28, 3235060), (35, 2588048), (40, 2264542), (56, 1617530), (70, 1294024), (80, 1132271), (112, 808765), (140, 647012), (280, 323506), (560, 161753)]