161880290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6659}}^1$

素因数の和:6707

約数の個数: 64

約数和(自身を含む): 362517120

約数和(自身を除く): 200636830

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 65, 85, 110, 130, 143, 170, 187, 221, 286, 374, 442, 715, 935, 1105, 1430, 1870, 2210, 2431, 4862, 6659, 12155, 13318, 24310, 33295, 66590, 73249, 86567, 113203, 146498, 173134, 226406, 366245, 432835, 566015, 732490, 865670, 952237, 1132030, 1245233, 1471639, 1904474, 2490466, 2943278, 4761185, 6226165, 7358195, 9522370, 12452330, 14716390, 16188029, 32376058, 80940145, 161880290]

約数ペア:

[(1, 161880290), (2, 80940145), (5, 32376058), (10, 16188029), (11, 14716390), (13, 12452330), (17, 9522370), (22, 7358195), (26, 6226165), (34, 4761185), (55, 2943278), (65, 2490466), (85, 1904474), (110, 1471639), (130, 1245233), (143, 1132030), (170, 952237), (187, 865670), (221, 732490), (286, 566015), (374, 432835), (442, 366245), (715, 226406), (935, 173134), (1105, 146498), (1430, 113203), (1870, 86567), (2210, 73249), (2431, 66590), (4862, 33295), (6659, 24310), (12155, 13318)]