12587960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:157

約数の個数: 128

約数和(自身を含む): 36426240

約数和(自身を除く): 23838280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 61, 67, 70, 77, 88, 110, 122, 134, 140, 154, 220, 244, 268, 280, 305, 308, 335, 385, 427, 440, 469, 488, 536, 610, 616, 670, 671, 737, 770, 854, 938, 1220, 1340, 1342, 1474, 1540, 1708, 1876, 2135, 2345, 2440, 2680, 2684, 2948, 3080, 3355, 3416, 3685, 3752, 4087, 4270, 4690, 4697, 5159, 5368, 5896, 6710, 7370, 8174, 8540, 9380, 9394, 10318, 13420, 14740, 16348, 17080, 18760, 18788, 20435, 20636, 23485, 25795, 26840, 28609, 29480, 32696, 37576, 40870, 41272, 44957, 46970, 51590, 57218, 81740, 89914, 93940, 103180, 114436, 143045, 163480, 179828, 187880, 206360, 224785, 228872, 286090, 314699, 359656, 449570, 572180, 629398, 899140, 1144360, 1258796, 1573495, 1798280, 2517592, 3146990, 6293980, 12587960]

約数ペア:

[(1, 12587960), (2, 6293980), (4, 3146990), (5, 2517592), (7, 1798280), (8, 1573495), (10, 1258796), (11, 1144360), (14, 899140), (20, 629398), (22, 572180), (28, 449570), (35, 359656), (40, 314699), (44, 286090), (55, 228872), (56, 224785), (61, 206360), (67, 187880), (70, 179828), (77, 163480), (88, 143045), (110, 114436), (122, 103180), (134, 93940), (140, 89914), (154, 81740), (220, 57218), (244, 51590), (268, 46970), (280, 44957), (305, 41272), (308, 40870), (335, 37576), (385, 32696), (427, 29480), (440, 28609), (469, 26840), (488, 25795), (536, 23485), (610, 20636), (616, 20435), (670, 18788), (671, 18760), (737, 17080), (770, 16348), (854, 14740), (938, 13420), (1220, 10318), (1340, 9394), (1342, 9380), (1474, 8540), (1540, 8174), (1708, 7370), (1876, 6710), (2135, 5896), (2345, 5368), (2440, 5159), (2680, 4697), (2684, 4690), (2948, 4270), (3080, 4087), (3355, 3752), (3416, 3685)]