61440820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19081}}^1$

素因数の和:19120

約数の個数: 48

約数和(自身を含む): 153877248

約数和(自身を除く): 92436428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 19081, 38162, 76324, 95405, 133567, 190810, 267134, 381620, 438863, 534268, 667835, 877726, 1335670, 1755452, 2194315, 2671340, 3072041, 4388630, 6144082, 8777260, 12288164, 15360205, 30720410, 61440820]

約数ペア:

[(1, 61440820), (2, 30720410), (4, 15360205), (5, 12288164), (7, 8777260), (10, 6144082), (14, 4388630), (20, 3072041), (23, 2671340), (28, 2194315), (35, 1755452), (46, 1335670), (70, 877726), (92, 667835), (115, 534268), (140, 438863), (161, 381620), (230, 267134), (322, 190810), (460, 133567), (644, 95405), (805, 76324), (1610, 38162), (3220, 19081)]