12851480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 30801600

約数和(自身を除く): 17950120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 229, 230, 244, 305, 458, 460, 488, 610, 916, 920, 1145, 1220, 1403, 1832, 2290, 2440, 2806, 4580, 5267, 5612, 7015, 9160, 10534, 11224, 13969, 14030, 21068, 26335, 27938, 28060, 42136, 52670, 55876, 56120, 69845, 105340, 111752, 139690, 210680, 279380, 321287, 558760, 642574, 1285148, 1606435, 2570296, 3212870, 6425740, 12851480]

約数ペア:

[(1, 12851480), (2, 6425740), (4, 3212870), (5, 2570296), (8, 1606435), (10, 1285148), (20, 642574), (23, 558760), (40, 321287), (46, 279380), (61, 210680), (92, 139690), (115, 111752), (122, 105340), (184, 69845), (229, 56120), (230, 55876), (244, 52670), (305, 42136), (458, 28060), (460, 27938), (488, 26335), (610, 21068), (916, 14030), (920, 13969), (1145, 11224), (1220, 10534), (1403, 9160), (1832, 7015), (2290, 5612), (2440, 5267), (2806, 4580)]