61805440

素因数分解:

$2^7\times 5^1\times {\mathrm{269}}^1\times {\mathrm{359}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 148716000

約数和(自身を除く): 86910560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 269, 320, 359, 538, 640, 718, 1076, 1345, 1436, 1795, 2152, 2690, 2872, 3590, 4304, 5380, 5744, 7180, 8608, 10760, 11488, 14360, 17216, 21520, 22976, 28720, 34432, 43040, 45952, 57440, 86080, 96571, 114880, 172160, 193142, 229760, 386284, 482855, 772568, 965710, 1545136, 1931420, 3090272, 3862840, 6180544, 7725680, 12361088, 15451360, 30902720, 61805440]

約数ペア:

[(1, 61805440), (2, 30902720), (4, 15451360), (5, 12361088), (8, 7725680), (10, 6180544), (16, 3862840), (20, 3090272), (32, 1931420), (40, 1545136), (64, 965710), (80, 772568), (128, 482855), (160, 386284), (269, 229760), (320, 193142), (359, 172160), (538, 114880), (640, 96571), (718, 86080), (1076, 57440), (1345, 45952), (1436, 43040), (1795, 34432), (2152, 28720), (2690, 22976), (2872, 21520), (3590, 17216), (4304, 14360), (5380, 11488), (5744, 10760), (7180, 8608)]