12918920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:127

約数の個数: 128

約数和(自身を含む): 36115200

約数和(自身を除く): 23196280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 37, 40, 43, 56, 58, 70, 74, 86, 116, 140, 145, 148, 172, 185, 203, 215, 232, 259, 280, 290, 296, 301, 344, 370, 406, 430, 518, 580, 602, 740, 812, 860, 1015, 1036, 1073, 1160, 1204, 1247, 1295, 1480, 1505, 1591, 1624, 1720, 2030, 2072, 2146, 2408, 2494, 2590, 3010, 3182, 4060, 4292, 4988, 5180, 5365, 6020, 6235, 6364, 7511, 7955, 8120, 8584, 8729, 9976, 10360, 10730, 11137, 12040, 12470, 12728, 15022, 15910, 17458, 21460, 22274, 24940, 30044, 31820, 34916, 37555, 42920, 43645, 44548, 46139, 49880, 55685, 60088, 63640, 69832, 75110, 87290, 89096, 92278, 111370, 150220, 174580, 184556, 222740, 230695, 300440, 322973, 349160, 369112, 445480, 461390, 645946, 922780, 1291892, 1614865, 1845560, 2583784, 3229730, 6459460, 12918920]

約数ペア:

[(1, 12918920), (2, 6459460), (4, 3229730), (5, 2583784), (7, 1845560), (8, 1614865), (10, 1291892), (14, 922780), (20, 645946), (28, 461390), (29, 445480), (35, 369112), (37, 349160), (40, 322973), (43, 300440), (56, 230695), (58, 222740), (70, 184556), (74, 174580), (86, 150220), (116, 111370), (140, 92278), (145, 89096), (148, 87290), (172, 75110), (185, 69832), (203, 63640), (215, 60088), (232, 55685), (259, 49880), (280, 46139), (290, 44548), (296, 43645), (301, 42920), (344, 37555), (370, 34916), (406, 31820), (430, 30044), (518, 24940), (580, 22274), (602, 21460), (740, 17458), (812, 15910), (860, 15022), (1015, 12728), (1036, 12470), (1073, 12040), (1160, 11137), (1204, 10730), (1247, 10360), (1295, 9976), (1480, 8729), (1505, 8584), (1591, 8120), (1624, 7955), (1720, 7511), (2030, 6364), (2072, 6235), (2146, 6020), (2408, 5365), (2494, 5180), (2590, 4988), (3010, 4292), (3182, 4060)]