720452616

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{647}}^1$

素因数の和:795

約数の個数: 128

約数和(自身を含む): 2011806720

約数和(自身を除く): 1291354104

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 83, 86, 104, 129, 156, 166, 172, 249, 258, 312, 332, 344, 498, 516, 559, 647, 664, 996, 1032, 1079, 1118, 1294, 1677, 1941, 1992, 2158, 2236, 2588, 3237, 3354, 3569, 3882, 4316, 4472, 5176, 6474, 6708, 7138, 7764, 8411, 8632, 10707, 12948, 13416, 14276, 15528, 16822, 21414, 25233, 25896, 27821, 28552, 33644, 42828, 46397, 50466, 53701, 55642, 67288, 83463, 85656, 92794, 100932, 107402, 111284, 139191, 161103, 166926, 185588, 201864, 214804, 222568, 278382, 322206, 333852, 361673, 371176, 429608, 556764, 644412, 667704, 698113, 723346, 1085019, 1113528, 1288824, 1396226, 1446692, 2094339, 2170038, 2309143, 2792452, 2893384, 4188678, 4340076, 4618286, 5584904, 6927429, 8377356, 8680152, 9236572, 13854858, 16754712, 18473144, 27709716, 30018859, 55419432, 60037718, 90056577, 120075436, 180113154, 240150872, 360226308, 720452616]

約数ペア:

[(1, 720452616), (2, 360226308), (3, 240150872), (4, 180113154), (6, 120075436), (8, 90056577), (12, 60037718), (13, 55419432), (24, 30018859), (26, 27709716), (39, 18473144), (43, 16754712), (52, 13854858), (78, 9236572), (83, 8680152), (86, 8377356), (104, 6927429), (129, 5584904), (156, 4618286), (166, 4340076), (172, 4188678), (249, 2893384), (258, 2792452), (312, 2309143), (332, 2170038), (344, 2094339), (498, 1446692), (516, 1396226), (559, 1288824), (647, 1113528), (664, 1085019), (996, 723346), (1032, 698113), (1079, 667704), (1118, 644412), (1294, 556764), (1677, 429608), (1941, 371176), (1992, 361673), (2158, 333852), (2236, 322206), (2588, 278382), (3237, 222568), (3354, 214804), (3569, 201864), (3882, 185588), (4316, 166926), (4472, 161103), (5176, 139191), (6474, 111284), (6708, 107402), (7138, 100932), (7764, 92794), (8411, 85656), (8632, 83463), (10707, 67288), (12948, 55642), (13416, 53701), (14276, 50466), (15528, 46397), (16822, 42828), (21414, 33644), (25233, 28552), (25896, 27821)]