84180680

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 194365440

約数和(自身を除く): 110184760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 127, 146, 227, 254, 292, 365, 454, 508, 584, 635, 730, 908, 1016, 1135, 1270, 1460, 1816, 2270, 2540, 2920, 4540, 5080, 9080, 9271, 16571, 18542, 28829, 33142, 37084, 46355, 57658, 66284, 74168, 82855, 92710, 115316, 132568, 144145, 165710, 185420, 230632, 288290, 331420, 370840, 576580, 662840, 1153160, 2104517, 4209034, 8418068, 10522585, 16836136, 21045170, 42090340, 84180680]

約数ペア:

[(1, 84180680), (2, 42090340), (4, 21045170), (5, 16836136), (8, 10522585), (10, 8418068), (20, 4209034), (40, 2104517), (73, 1153160), (127, 662840), (146, 576580), (227, 370840), (254, 331420), (292, 288290), (365, 230632), (454, 185420), (508, 165710), (584, 144145), (635, 132568), (730, 115316), (908, 92710), (1016, 82855), (1135, 74168), (1270, 66284), (1460, 57658), (1816, 46355), (2270, 37084), (2540, 33142), (2920, 28829), (4540, 18542), (5080, 16571), (9080, 9271)]