128247810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{1021}}^1$

素因数の和:1163

約数の個数: 64

約数和(自身を含む): 317882880

約数和(自身を除く): 189635070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 79, 106, 158, 159, 237, 265, 318, 395, 474, 530, 790, 795, 1021, 1185, 1590, 2042, 2370, 3063, 4187, 5105, 6126, 8374, 10210, 12561, 15315, 20935, 25122, 30630, 41870, 54113, 62805, 80659, 108226, 125610, 161318, 162339, 241977, 270565, 324678, 403295, 483954, 541130, 806590, 811695, 1209885, 1623390, 2419770, 4274927, 8549854, 12824781, 21374635, 25649562, 42749270, 64123905, 128247810]

約数ペア:

[(1, 128247810), (2, 64123905), (3, 42749270), (5, 25649562), (6, 21374635), (10, 12824781), (15, 8549854), (30, 4274927), (53, 2419770), (79, 1623390), (106, 1209885), (158, 811695), (159, 806590), (237, 541130), (265, 483954), (318, 403295), (395, 324678), (474, 270565), (530, 241977), (790, 162339), (795, 161318), (1021, 125610), (1185, 108226), (1590, 80659), (2042, 62805), (2370, 54113), (3063, 41870), (4187, 30630), (5105, 25122), (6126, 20935), (8374, 15315), (10210, 12561)]