821431728

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{15131}}^1$

素因数の和:15187

約数の個数: 120

約数和(自身を含む): 2561242320

約数和(自身を除く): 1739810592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 29, 36, 39, 48, 52, 58, 72, 78, 87, 104, 116, 117, 144, 156, 174, 208, 232, 234, 261, 312, 348, 377, 464, 468, 522, 624, 696, 754, 936, 1044, 1131, 1392, 1508, 1872, 2088, 2262, 3016, 3393, 4176, 4524, 6032, 6786, 9048, 13572, 15131, 18096, 27144, 30262, 45393, 54288, 60524, 90786, 121048, 136179, 181572, 196703, 242096, 272358, 363144, 393406, 438799, 544716, 590109, 726288, 786812, 877598, 1089432, 1180218, 1316397, 1573624, 1755196, 1770327, 2178864, 2360436, 2632794, 3147248, 3510392, 3540654, 3949191, 4720872, 5265588, 5704387, 7020784, 7081308, 7898382, 9441744, 10531176, 11408774, 14162616, 15796764, 17113161, 21062352, 22817548, 28325232, 31593528, 34226322, 45635096, 51339483, 63187056, 68452644, 91270192, 102678966, 136905288, 205357932, 273810576, 410715864, 821431728]

約数ペア:

[(1, 821431728), (2, 410715864), (3, 273810576), (4, 205357932), (6, 136905288), (8, 102678966), (9, 91270192), (12, 68452644), (13, 63187056), (16, 51339483), (18, 45635096), (24, 34226322), (26, 31593528), (29, 28325232), (36, 22817548), (39, 21062352), (48, 17113161), (52, 15796764), (58, 14162616), (72, 11408774), (78, 10531176), (87, 9441744), (104, 7898382), (116, 7081308), (117, 7020784), (144, 5704387), (156, 5265588), (174, 4720872), (208, 3949191), (232, 3540654), (234, 3510392), (261, 3147248), (312, 2632794), (348, 2360436), (377, 2178864), (464, 1770327), (468, 1755196), (522, 1573624), (624, 1316397), (696, 1180218), (754, 1089432), (936, 877598), (1044, 786812), (1131, 726288), (1392, 590109), (1508, 544716), (1872, 438799), (2088, 393406), (2262, 363144), (3016, 272358), (3393, 242096), (4176, 196703), (4524, 181572), (6032, 136179), (6786, 121048), (9048, 90786), (13572, 60524), (15131, 54288), (18096, 45393), (27144, 30262)]