161911290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{1289}}^1$

素因数の和:1431

約数の個数: 64

約数和(自身を含む): 401241600

約数和(自身を除く): 239330310

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 79, 106, 158, 159, 237, 265, 318, 395, 474, 530, 790, 795, 1185, 1289, 1590, 2370, 2578, 3867, 4187, 6445, 7734, 8374, 12561, 12890, 19335, 20935, 25122, 38670, 41870, 62805, 68317, 101831, 125610, 136634, 203662, 204951, 305493, 341585, 409902, 509155, 610986, 683170, 1018310, 1024755, 1527465, 2049510, 3054930, 5397043, 10794086, 16191129, 26985215, 32382258, 53970430, 80955645, 161911290]

約数ペア:

[(1, 161911290), (2, 80955645), (3, 53970430), (5, 32382258), (6, 26985215), (10, 16191129), (15, 10794086), (30, 5397043), (53, 3054930), (79, 2049510), (106, 1527465), (158, 1024755), (159, 1018310), (237, 683170), (265, 610986), (318, 509155), (395, 409902), (474, 341585), (530, 305493), (790, 204951), (795, 203662), (1185, 136634), (1289, 125610), (1590, 101831), (2370, 68317), (2578, 62805), (3867, 41870), (4187, 38670), (6445, 25122), (7734, 20935), (8374, 19335), (12561, 12890)]