131287260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9901}}^1$

素因数の和:9943

約数の個数: 96

約数和(自身を含む): 419211072

約数和(自身を除く): 287923812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 340, 390, 442, 510, 663, 780, 884, 1020, 1105, 1326, 2210, 2652, 3315, 4420, 6630, 9901, 13260, 19802, 29703, 39604, 49505, 59406, 99010, 118812, 128713, 148515, 168317, 198020, 257426, 297030, 336634, 386139, 504951, 514852, 594060, 643565, 673268, 772278, 841585, 1009902, 1287130, 1544556, 1683170, 1930695, 2019804, 2188121, 2524755, 2574260, 3366340, 3861390, 4376242, 5049510, 6564363, 7722780, 8752484, 10099020, 10940605, 13128726, 21881210, 26257452, 32821815, 43762420, 65643630, 131287260]

約数ペア:

[(1, 131287260), (2, 65643630), (3, 43762420), (4, 32821815), (5, 26257452), (6, 21881210), (10, 13128726), (12, 10940605), (13, 10099020), (15, 8752484), (17, 7722780), (20, 6564363), (26, 5049510), (30, 4376242), (34, 3861390), (39, 3366340), (51, 2574260), (52, 2524755), (60, 2188121), (65, 2019804), (68, 1930695), (78, 1683170), (85, 1544556), (102, 1287130), (130, 1009902), (156, 841585), (170, 772278), (195, 673268), (204, 643565), (221, 594060), (255, 514852), (260, 504951), (340, 386139), (390, 336634), (442, 297030), (510, 257426), (663, 198020), (780, 168317), (884, 148515), (1020, 128713), (1105, 118812), (1326, 99010), (2210, 59406), (2652, 49505), (3315, 39604), (4420, 29703), (6630, 19802), (9901, 13260)]