287997720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{104347}}^1$

素因数の和:104384

約数の個数: 64

約数和(自身を含む): 901566720

約数和(自身を除く): 613569000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 104347, 208694, 313041, 417388, 521735, 626082, 834776, 1043470, 1252164, 1565205, 2086940, 2399981, 2504328, 3130410, 4173880, 4799962, 6260820, 7199943, 9599924, 11999905, 12521640, 14399886, 19199848, 23999810, 28799772, 35999715, 47999620, 57599544, 71999430, 95999240, 143998860, 287997720]

約数ペア:

[(1, 287997720), (2, 143998860), (3, 95999240), (4, 71999430), (5, 57599544), (6, 47999620), (8, 35999715), (10, 28799772), (12, 23999810), (15, 19199848), (20, 14399886), (23, 12521640), (24, 11999905), (30, 9599924), (40, 7199943), (46, 6260820), (60, 4799962), (69, 4173880), (92, 3130410), (115, 2504328), (120, 2399981), (138, 2086940), (184, 1565205), (230, 1252164), (276, 1043470), (345, 834776), (460, 626082), (552, 521735), (690, 417388), (920, 313041), (1380, 208694), (2760, 104347)]