74652760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20509}}^1$

素因数の和:20540

約数の個数: 64

約数和(自身を含む): 206740800

約数和(自身を除く): 132088040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 20509, 41018, 82036, 102545, 143563, 164072, 205090, 266617, 287126, 410180, 533234, 574252, 717815, 820360, 1066468, 1148504, 1333085, 1435630, 1866319, 2132936, 2666170, 2871260, 3732638, 5332340, 5742520, 7465276, 9331595, 10664680, 14930552, 18663190, 37326380, 74652760]

約数ペア:

[(1, 74652760), (2, 37326380), (4, 18663190), (5, 14930552), (7, 10664680), (8, 9331595), (10, 7465276), (13, 5742520), (14, 5332340), (20, 3732638), (26, 2871260), (28, 2666170), (35, 2132936), (40, 1866319), (52, 1435630), (56, 1333085), (65, 1148504), (70, 1066468), (91, 820360), (104, 717815), (130, 574252), (140, 533234), (182, 410180), (260, 287126), (280, 266617), (364, 205090), (455, 164072), (520, 143563), (728, 102545), (910, 82036), (1820, 41018), (3640, 20509)]