280386288

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21397}}^1$

素因数の和:21431

約数の個数: 120

約数和(自身を含む): 965820128

約数和(自身を除く): 685433840

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 104, 112, 117, 126, 144, 156, 168, 182, 208, 234, 252, 273, 312, 336, 364, 468, 504, 546, 624, 728, 819, 936, 1008, 1092, 1456, 1638, 1872, 2184, 3276, 4368, 6552, 13104, 21397, 42794, 64191, 85588, 128382, 149779, 171176, 192573, 256764, 278161, 299558, 342352, 385146, 449337, 513528, 556322, 599116, 770292, 834483, 898674, 1027056, 1112644, 1198232, 1348011, 1540584, 1668966, 1797348, 1947127, 2225288, 2396464, 2503449, 2696022, 3081168, 3337932, 3594696, 3894254, 4450576, 5006898, 5392044, 5841381, 6675864, 7189392, 7788508, 10013796, 10784088, 11682762, 13351728, 15577016, 17524143, 20027592, 21568176, 23365524, 31154032, 35048286, 40055184, 46731048, 70096572, 93462096, 140193144, 280386288]

約数ペア:

[(1, 280386288), (2, 140193144), (3, 93462096), (4, 70096572), (6, 46731048), (7, 40055184), (8, 35048286), (9, 31154032), (12, 23365524), (13, 21568176), (14, 20027592), (16, 17524143), (18, 15577016), (21, 13351728), (24, 11682762), (26, 10784088), (28, 10013796), (36, 7788508), (39, 7189392), (42, 6675864), (48, 5841381), (52, 5392044), (56, 5006898), (63, 4450576), (72, 3894254), (78, 3594696), (84, 3337932), (91, 3081168), (104, 2696022), (112, 2503449), (117, 2396464), (126, 2225288), (144, 1947127), (156, 1797348), (168, 1668966), (182, 1540584), (208, 1348011), (234, 1198232), (252, 1112644), (273, 1027056), (312, 898674), (336, 834483), (364, 770292), (468, 599116), (504, 556322), (546, 513528), (624, 449337), (728, 385146), (819, 342352), (936, 299558), (1008, 278161), (1092, 256764), (1456, 192573), (1638, 171176), (1872, 149779), (2184, 128382), (3276, 85588), (4368, 64191), (6552, 42794), (13104, 21397)]