81012672

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:411

約数の個数: 168

約数和(自身を含む): 258876800

約数和(自身を除く): 177864128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 32, 36, 39, 48, 52, 62, 64, 72, 78, 93, 96, 104, 117, 124, 144, 156, 186, 192, 208, 234, 248, 279, 288, 312, 349, 372, 403, 416, 468, 496, 558, 576, 624, 698, 744, 806, 832, 936, 992, 1047, 1116, 1209, 1248, 1396, 1488, 1612, 1872, 1984, 2094, 2232, 2418, 2496, 2792, 2976, 3141, 3224, 3627, 3744, 4188, 4464, 4537, 4836, 5584, 5952, 6282, 6448, 7254, 7488, 8376, 8928, 9074, 9672, 10819, 11168, 12564, 12896, 13611, 14508, 16752, 17856, 18148, 19344, 21638, 22336, 25128, 25792, 27222, 29016, 32457, 33504, 36296, 38688, 40833, 43276, 50256, 54444, 58032, 64914, 67008, 72592, 77376, 81666, 86552, 97371, 100512, 108888, 116064, 129828, 140647, 145184, 163332, 173104, 194742, 201024, 217776, 232128, 259656, 281294, 290368, 326664, 346208, 389484, 421941, 435552, 519312, 562588, 653328, 692416, 778968, 843882, 871104, 1038624, 1125176, 1265823, 1306656, 1557936, 1687764, 2077248, 2250352, 2531646, 2613312, 3115872, 3375528, 4500704, 5063292, 6231744, 6751056, 9001408, 10126584, 13502112, 20253168, 27004224, 40506336, 81012672]

約数ペア:

[(1, 81012672), (2, 40506336), (3, 27004224), (4, 20253168), (6, 13502112), (8, 10126584), (9, 9001408), (12, 6751056), (13, 6231744), (16, 5063292), (18, 4500704), (24, 3375528), (26, 3115872), (31, 2613312), (32, 2531646), (36, 2250352), (39, 2077248), (48, 1687764), (52, 1557936), (62, 1306656), (64, 1265823), (72, 1125176), (78, 1038624), (93, 871104), (96, 843882), (104, 778968), (117, 692416), (124, 653328), (144, 562588), (156, 519312), (186, 435552), (192, 421941), (208, 389484), (234, 346208), (248, 326664), (279, 290368), (288, 281294), (312, 259656), (349, 232128), (372, 217776), (403, 201024), (416, 194742), (468, 173104), (496, 163332), (558, 145184), (576, 140647), (624, 129828), (698, 116064), (744, 108888), (806, 100512), (832, 97371), (936, 86552), (992, 81666), (1047, 77376), (1116, 72592), (1209, 67008), (1248, 64914), (1396, 58032), (1488, 54444), (1612, 50256), (1872, 43276), (1984, 40833), (2094, 38688), (2232, 36296), (2418, 33504), (2496, 32457), (2792, 29016), (2976, 27222), (3141, 25792), (3224, 25128), (3627, 22336), (3744, 21638), (4188, 19344), (4464, 18148), (4537, 17856), (4836, 16752), (5584, 14508), (5952, 13611), (6282, 12896), (6448, 12564), (7254, 11168), (7488, 10819), (8376, 9672), (8928, 9074)]