128280990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{479}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 315187200

約数和(自身を除く): 186906210

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 113, 158, 226, 237, 339, 395, 474, 479, 565, 678, 790, 958, 1130, 1185, 1437, 1695, 2370, 2395, 2874, 3390, 4790, 7185, 8927, 14370, 17854, 26781, 37841, 44635, 53562, 54127, 75682, 89270, 108254, 113523, 133905, 162381, 189205, 227046, 267810, 270635, 324762, 378410, 541270, 567615, 811905, 1135230, 1623810, 4276033, 8552066, 12828099, 21380165, 25656198, 42760330, 64140495, 128280990]

約数ペア:

[(1, 128280990), (2, 64140495), (3, 42760330), (5, 25656198), (6, 21380165), (10, 12828099), (15, 8552066), (30, 4276033), (79, 1623810), (113, 1135230), (158, 811905), (226, 567615), (237, 541270), (339, 378410), (395, 324762), (474, 270635), (479, 267810), (565, 227046), (678, 189205), (790, 162381), (958, 133905), (1130, 113523), (1185, 108254), (1437, 89270), (1695, 75682), (2370, 54127), (2395, 53562), (2874, 44635), (3390, 37841), (4790, 26781), (7185, 17854), (8927, 14370)]