1905780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1381}}^1$

素因数の和:1416

約数の個数: 48

約数和(自身を含む): 5572224

約数和(自身を除く): 3666444

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, 1381, 2762, 4143, 5524, 6905, 8286, 13810, 16572, 20715, 27620, 31763, 41430, 63526, 82860, 95289, 127052, 158815, 190578, 317630, 381156, 476445, 635260, 952890, 1905780]

約数ペア:

[(1, 1905780), (2, 952890), (3, 635260), (4, 476445), (5, 381156), (6, 317630), (10, 190578), (12, 158815), (15, 127052), (20, 95289), (23, 82860), (30, 63526), (46, 41430), (60, 31763), (69, 27620), (92, 20715), (115, 16572), (138, 13810), (230, 8286), (276, 6905), (345, 5524), (460, 4143), (690, 2762), (1380, 1381)]