61780880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{110323}}^1$

素因数の和:110343

約数の個数: 40

約数和(自身を含む): 164162112

約数和(自身を除く): 102381232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 110323, 220646, 441292, 551615, 772261, 882584, 1103230, 1544522, 1765168, 2206460, 3089044, 3861305, 4412920, 6178088, 7722610, 8825840, 12356176, 15445220, 30890440, 61780880]

約数ペア:

[(1, 61780880), (2, 30890440), (4, 15445220), (5, 12356176), (7, 8825840), (8, 7722610), (10, 6178088), (14, 4412920), (16, 3861305), (20, 3089044), (28, 2206460), (35, 1765168), (40, 1544522), (56, 1103230), (70, 882584), (80, 772261), (112, 551615), (140, 441292), (280, 220646), (560, 110323)]