81051360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:481

約数の個数: 192

約数和(自身を含む): 284497920

約数和(自身を除く): 203446560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 96, 104, 120, 124, 130, 155, 156, 160, 186, 195, 208, 240, 248, 260, 310, 312, 372, 390, 403, 416, 419, 465, 480, 496, 520, 620, 624, 744, 780, 806, 838, 930, 992, 1040, 1209, 1240, 1248, 1257, 1488, 1560, 1612, 1676, 1860, 2015, 2080, 2095, 2418, 2480, 2514, 2976, 3120, 3224, 3352, 3720, 4030, 4190, 4836, 4960, 5028, 5447, 6045, 6240, 6285, 6448, 6704, 7440, 8060, 8380, 9672, 10056, 10894, 12090, 12570, 12896, 12989, 13408, 14880, 16120, 16341, 16760, 19344, 20112, 21788, 24180, 25140, 25978, 27235, 32240, 32682, 33520, 38688, 38967, 40224, 43576, 48360, 50280, 51956, 54470, 64480, 64945, 65364, 67040, 77934, 81705, 87152, 96720, 100560, 103912, 108940, 129890, 130728, 155868, 163410, 168857, 174304, 193440, 194835, 201120, 207824, 217880, 259780, 261456, 311736, 326820, 337714, 389670, 415648, 435760, 506571, 519560, 522912, 623472, 653640, 675428, 779340, 844285, 871520, 1013142, 1039120, 1246944, 1307280, 1350856, 1558680, 1688570, 2026284, 2078240, 2532855, 2614560, 2701712, 3117360, 3377140, 4052568, 5065710, 5403424, 6234720, 6754280, 8105136, 10131420, 13508560, 16210272, 20262840, 27017120, 40525680, 81051360]

約数ペア:

[(1, 81051360), (2, 40525680), (3, 27017120), (4, 20262840), (5, 16210272), (6, 13508560), (8, 10131420), (10, 8105136), (12, 6754280), (13, 6234720), (15, 5403424), (16, 5065710), (20, 4052568), (24, 3377140), (26, 3117360), (30, 2701712), (31, 2614560), (32, 2532855), (39, 2078240), (40, 2026284), (48, 1688570), (52, 1558680), (60, 1350856), (62, 1307280), (65, 1246944), (78, 1039120), (80, 1013142), (93, 871520), (96, 844285), (104, 779340), (120, 675428), (124, 653640), (130, 623472), (155, 522912), (156, 519560), (160, 506571), (186, 435760), (195, 415648), (208, 389670), (240, 337714), (248, 326820), (260, 311736), (310, 261456), (312, 259780), (372, 217880), (390, 207824), (403, 201120), (416, 194835), (419, 193440), (465, 174304), (480, 168857), (496, 163410), (520, 155868), (620, 130728), (624, 129890), (744, 108940), (780, 103912), (806, 100560), (838, 96720), (930, 87152), (992, 81705), (1040, 77934), (1209, 67040), (1240, 65364), (1248, 64945), (1257, 64480), (1488, 54470), (1560, 51956), (1612, 50280), (1676, 48360), (1860, 43576), (2015, 40224), (2080, 38967), (2095, 38688), (2418, 33520), (2480, 32682), (2514, 32240), (2976, 27235), (3120, 25978), (3224, 25140), (3352, 24180), (3720, 21788), (4030, 20112), (4190, 19344), (4836, 16760), (4960, 16341), (5028, 16120), (5447, 14880), (6045, 13408), (6240, 12989), (6285, 12896), (6448, 12570), (6704, 12090), (7440, 10894), (8060, 10056), (8380, 9672)]