12485480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 128

約数和(自身を含む): 35354880

約数和(自身を除く): 22869400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 43, 56, 61, 68, 70, 85, 86, 119, 122, 136, 140, 170, 172, 215, 238, 244, 280, 301, 305, 340, 344, 427, 430, 476, 488, 595, 602, 610, 680, 731, 854, 860, 952, 1037, 1190, 1204, 1220, 1462, 1505, 1708, 1720, 2074, 2135, 2380, 2408, 2440, 2623, 2924, 3010, 3416, 3655, 4148, 4270, 4760, 5117, 5185, 5246, 5848, 6020, 7259, 7310, 8296, 8540, 10234, 10370, 10492, 12040, 13115, 14518, 14620, 17080, 18361, 20468, 20740, 20984, 25585, 26230, 29036, 29240, 36295, 36722, 40936, 41480, 44591, 51170, 52460, 58072, 72590, 73444, 89182, 91805, 102340, 104920, 145180, 146888, 178364, 183610, 204680, 222955, 290360, 312137, 356728, 367220, 445910, 624274, 734440, 891820, 1248548, 1560685, 1783640, 2497096, 3121370, 6242740, 12485480]

約数ペア:

[(1, 12485480), (2, 6242740), (4, 3121370), (5, 2497096), (7, 1783640), (8, 1560685), (10, 1248548), (14, 891820), (17, 734440), (20, 624274), (28, 445910), (34, 367220), (35, 356728), (40, 312137), (43, 290360), (56, 222955), (61, 204680), (68, 183610), (70, 178364), (85, 146888), (86, 145180), (119, 104920), (122, 102340), (136, 91805), (140, 89182), (170, 73444), (172, 72590), (215, 58072), (238, 52460), (244, 51170), (280, 44591), (301, 41480), (305, 40936), (340, 36722), (344, 36295), (427, 29240), (430, 29036), (476, 26230), (488, 25585), (595, 20984), (602, 20740), (610, 20468), (680, 18361), (731, 17080), (854, 14620), (860, 14518), (952, 13115), (1037, 12040), (1190, 10492), (1204, 10370), (1220, 10234), (1462, 8540), (1505, 8296), (1708, 7310), (1720, 7259), (2074, 6020), (2135, 5848), (2380, 5246), (2408, 5185), (2440, 5117), (2623, 4760), (2924, 4270), (3010, 4148), (3416, 3655)]