123307264

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 262694880

約数和(自身を除く): 139387616

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 101, 128, 152, 202, 251, 256, 304, 404, 502, 608, 808, 1004, 1216, 1616, 1919, 2008, 2432, 3232, 3838, 4016, 4769, 4864, 6464, 7676, 8032, 9538, 12928, 15352, 16064, 19076, 25351, 25856, 30704, 32128, 38152, 50702, 61408, 64256, 76304, 101404, 122816, 152608, 202808, 245632, 305216, 405616, 481669, 491264, 610432, 811232, 963338, 1220864, 1622464, 1926676, 3244928, 3853352, 6489856, 7706704, 15413408, 30826816, 61653632, 123307264]

約数ペア:

[(1, 123307264), (2, 61653632), (4, 30826816), (8, 15413408), (16, 7706704), (19, 6489856), (32, 3853352), (38, 3244928), (64, 1926676), (76, 1622464), (101, 1220864), (128, 963338), (152, 811232), (202, 610432), (251, 491264), (256, 481669), (304, 405616), (404, 305216), (502, 245632), (608, 202808), (808, 152608), (1004, 122816), (1216, 101404), (1616, 76304), (1919, 64256), (2008, 61408), (2432, 50702), (3232, 38152), (3838, 32128), (4016, 30704), (4769, 25856), (4864, 25351), (6464, 19076), (7676, 16064), (8032, 15352), (9538, 12928)]