81128820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{58789}}^1$

素因数の和:58824

約数の個数: 48

約数和(自身を含む): 237041280

約数和(自身を除く): 155912460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 58789, 117578, 176367, 235156, 293945, 352734, 587890, 705468, 881835, 1175780, 1352147, 1763670, 2704294, 3527340, 4056441, 5408588, 6760735, 8112882, 13521470, 16225764, 20282205, 27042940, 40564410, 81128820]

約数ペア:

[(1, 81128820), (2, 40564410), (3, 27042940), (4, 20282205), (5, 16225764), (6, 13521470), (10, 8112882), (12, 6760735), (15, 5408588), (20, 4056441), (23, 3527340), (30, 2704294), (46, 1763670), (60, 1352147), (69, 1175780), (92, 881835), (115, 705468), (138, 587890), (230, 352734), (276, 293945), (345, 235156), (460, 176367), (690, 117578), (1380, 58789)]