31090710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:238

約数の個数: 128

約数和(自身を含む): 91736064

約数和(自身を除く): 60645354

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 41, 42, 46, 69, 70, 82, 105, 115, 123, 138, 157, 161, 205, 210, 230, 246, 287, 314, 322, 345, 410, 471, 483, 574, 615, 690, 785, 805, 861, 942, 943, 966, 1099, 1230, 1435, 1570, 1610, 1722, 1886, 2198, 2355, 2415, 2829, 2870, 3297, 3611, 4305, 4710, 4715, 4830, 5495, 5658, 6437, 6594, 6601, 7222, 8610, 9430, 10833, 10990, 12874, 13202, 14145, 16485, 18055, 19311, 19803, 21666, 25277, 28290, 32185, 32970, 33005, 36110, 38622, 39606, 45059, 50554, 54165, 64370, 66010, 75831, 90118, 96555, 99015, 108330, 126385, 135177, 148051, 151662, 193110, 198030, 225295, 252770, 270354, 296102, 379155, 444153, 450590, 675885, 740255, 758310, 888306, 1036357, 1351770, 1480510, 2072714, 2220765, 3109071, 4441530, 5181785, 6218142, 10363570, 15545355, 31090710]

約数ペア:

[(1, 31090710), (2, 15545355), (3, 10363570), (5, 6218142), (6, 5181785), (7, 4441530), (10, 3109071), (14, 2220765), (15, 2072714), (21, 1480510), (23, 1351770), (30, 1036357), (35, 888306), (41, 758310), (42, 740255), (46, 675885), (69, 450590), (70, 444153), (82, 379155), (105, 296102), (115, 270354), (123, 252770), (138, 225295), (157, 198030), (161, 193110), (205, 151662), (210, 148051), (230, 135177), (246, 126385), (287, 108330), (314, 99015), (322, 96555), (345, 90118), (410, 75831), (471, 66010), (483, 64370), (574, 54165), (615, 50554), (690, 45059), (785, 39606), (805, 38622), (861, 36110), (942, 33005), (943, 32970), (966, 32185), (1099, 28290), (1230, 25277), (1435, 21666), (1570, 19803), (1610, 19311), (1722, 18055), (1886, 16485), (2198, 14145), (2355, 13202), (2415, 12874), (2829, 10990), (2870, 10833), (3297, 9430), (3611, 8610), (4305, 7222), (4710, 6601), (4715, 6594), (4830, 6437), (5495, 5658)]