13285680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 41541984

約数和(自身を除く): 28256304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 281, 394, 562, 591, 788, 843, 985, 1124, 1182, 1405, 1576, 1686, 1970, 2248, 2364, 2810, 2955, 3152, 3372, 3940, 4215, 4496, 4728, 5620, 5910, 6744, 7880, 8430, 9456, 11240, 11820, 13488, 15760, 16860, 22480, 23640, 33720, 47280, 55357, 67440, 110714, 166071, 221428, 276785, 332142, 442856, 553570, 664284, 830355, 885712, 1107140, 1328568, 1660710, 2214280, 2657136, 3321420, 4428560, 6642840, 13285680]

約数ペア:

[(1, 13285680), (2, 6642840), (3, 4428560), (4, 3321420), (5, 2657136), (6, 2214280), (8, 1660710), (10, 1328568), (12, 1107140), (15, 885712), (16, 830355), (20, 664284), (24, 553570), (30, 442856), (40, 332142), (48, 276785), (60, 221428), (80, 166071), (120, 110714), (197, 67440), (240, 55357), (281, 47280), (394, 33720), (562, 23640), (591, 22480), (788, 16860), (843, 15760), (985, 13488), (1124, 11820), (1182, 11240), (1405, 9456), (1576, 8430), (1686, 7880), (1970, 6744), (2248, 5910), (2364, 5620), (2810, 4728), (2955, 4496), (3152, 4215), (3372, 3940)]