2151380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 5720064

約数和(自身を除く): 3568684

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 127, 140, 154, 220, 242, 254, 308, 385, 484, 508, 605, 635, 770, 847, 889, 1210, 1270, 1397, 1540, 1694, 1778, 2420, 2540, 2794, 3388, 3556, 4235, 4445, 5588, 6985, 8470, 8890, 9779, 13970, 15367, 16940, 17780, 19558, 27940, 30734, 39116, 48895, 61468, 76835, 97790, 107569, 153670, 195580, 215138, 307340, 430276, 537845, 1075690, 2151380]

約数ペア:

[(1, 2151380), (2, 1075690), (4, 537845), (5, 430276), (7, 307340), (10, 215138), (11, 195580), (14, 153670), (20, 107569), (22, 97790), (28, 76835), (35, 61468), (44, 48895), (55, 39116), (70, 30734), (77, 27940), (110, 19558), (121, 17780), (127, 16940), (140, 15367), (154, 13970), (220, 9779), (242, 8890), (254, 8470), (308, 6985), (385, 5588), (484, 4445), (508, 4235), (605, 3556), (635, 3388), (770, 2794), (847, 2540), (889, 2420), (1210, 1778), (1270, 1694), (1397, 1540)]