64441480

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{761}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 152247600

約数和(自身を除く): 87806120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 73, 116, 145, 146, 232, 290, 292, 365, 580, 584, 730, 761, 1160, 1460, 1522, 2117, 2920, 3044, 3805, 4234, 6088, 7610, 8468, 10585, 15220, 16936, 21170, 22069, 30440, 42340, 44138, 55553, 84680, 88276, 110345, 111106, 176552, 220690, 222212, 277765, 441380, 444424, 555530, 882760, 1111060, 1611037, 2222120, 3222074, 6444148, 8055185, 12888296, 16110370, 32220740, 64441480]

約数ペア:

[(1, 64441480), (2, 32220740), (4, 16110370), (5, 12888296), (8, 8055185), (10, 6444148), (20, 3222074), (29, 2222120), (40, 1611037), (58, 1111060), (73, 882760), (116, 555530), (145, 444424), (146, 441380), (232, 277765), (290, 222212), (292, 220690), (365, 176552), (580, 111106), (584, 110345), (730, 88276), (761, 84680), (1160, 55553), (1460, 44138), (1522, 42340), (2117, 30440), (2920, 22069), (3044, 21170), (3805, 16936), (4234, 15220), (6088, 10585), (7610, 8468)]