31585260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:655

約数の個数: 96

約数和(自身を含む): 101928960

約数和(自身を除く): 70343700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 157, 210, 314, 420, 471, 479, 628, 785, 942, 958, 1099, 1437, 1570, 1884, 1916, 2198, 2355, 2395, 2874, 3140, 3297, 3353, 4396, 4710, 4790, 5495, 5748, 6594, 6706, 7185, 9420, 9580, 10059, 10990, 13188, 13412, 14370, 16485, 16765, 20118, 21980, 28740, 32970, 33530, 40236, 50295, 65940, 67060, 75203, 100590, 150406, 201180, 225609, 300812, 376015, 451218, 526421, 752030, 902436, 1052842, 1128045, 1504060, 1579263, 2105684, 2256090, 2632105, 3158526, 4512180, 5264210, 6317052, 7896315, 10528420, 15792630, 31585260]

約数ペア:

[(1, 31585260), (2, 15792630), (3, 10528420), (4, 7896315), (5, 6317052), (6, 5264210), (7, 4512180), (10, 3158526), (12, 2632105), (14, 2256090), (15, 2105684), (20, 1579263), (21, 1504060), (28, 1128045), (30, 1052842), (35, 902436), (42, 752030), (60, 526421), (70, 451218), (84, 376015), (105, 300812), (140, 225609), (157, 201180), (210, 150406), (314, 100590), (420, 75203), (471, 67060), (479, 65940), (628, 50295), (785, 40236), (942, 33530), (958, 32970), (1099, 28740), (1437, 21980), (1570, 20118), (1884, 16765), (1916, 16485), (2198, 14370), (2355, 13412), (2395, 13188), (2874, 10990), (3140, 10059), (3297, 9580), (3353, 9420), (4396, 7185), (4710, 6706), (4790, 6594), (5495, 5748)]