81705660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59207}}^1$

素因数の和:59242

約数の個数: 48

約数和(自身を含む): 238726656

約数和(自身を除く): 157020996

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, 59207, 118414, 177621, 236828, 296035, 355242, 592070, 710484, 888105, 1184140, 1361761, 1776210, 2723522, 3552420, 4085283, 5447044, 6808805, 8170566, 13617610, 16341132, 20426415, 27235220, 40852830, 81705660]

約数ペア:

[(1, 81705660), (2, 40852830), (3, 27235220), (4, 20426415), (5, 16341132), (6, 13617610), (10, 8170566), (12, 6808805), (15, 5447044), (20, 4085283), (23, 3552420), (30, 2723522), (46, 1776210), (60, 1361761), (69, 1184140), (92, 888105), (115, 710484), (138, 592070), (230, 355242), (276, 296035), (345, 236828), (460, 177621), (690, 118414), (1380, 59207)]