81049680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:418

約数の個数: 160

約数和(自身を含む): 282124800

約数和(自身を除く): 201075120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 157, 180, 216, 239, 240, 270, 314, 360, 432, 471, 478, 540, 628, 717, 720, 785, 942, 956, 1080, 1195, 1256, 1413, 1434, 1570, 1884, 1912, 2151, 2160, 2355, 2390, 2512, 2826, 2868, 3140, 3585, 3768, 3824, 4239, 4302, 4710, 4780, 5652, 5736, 6280, 6453, 7065, 7170, 7536, 8478, 8604, 9420, 9560, 10755, 11304, 11472, 12560, 12906, 14130, 14340, 16956, 17208, 18840, 19120, 21195, 21510, 22608, 25812, 28260, 28680, 32265, 33912, 34416, 37523, 37680, 42390, 43020, 51624, 56520, 57360, 64530, 67824, 75046, 84780, 86040, 103248, 112569, 113040, 129060, 150092, 169560, 172080, 187615, 225138, 258120, 300184, 337707, 339120, 375230, 450276, 516240, 562845, 600368, 675414, 750460, 900552, 1013121, 1125690, 1350828, 1500920, 1688535, 1801104, 2026242, 2251380, 2701656, 3001840, 3377070, 4052484, 4502760, 5065605, 5403312, 6754140, 8104968, 9005520, 10131210, 13508280, 16209936, 20262420, 27016560, 40524840, 81049680]

約数ペア:

[(1, 81049680), (2, 40524840), (3, 27016560), (4, 20262420), (5, 16209936), (6, 13508280), (8, 10131210), (9, 9005520), (10, 8104968), (12, 6754140), (15, 5403312), (16, 5065605), (18, 4502760), (20, 4052484), (24, 3377070), (27, 3001840), (30, 2701656), (36, 2251380), (40, 2026242), (45, 1801104), (48, 1688535), (54, 1500920), (60, 1350828), (72, 1125690), (80, 1013121), (90, 900552), (108, 750460), (120, 675414), (135, 600368), (144, 562845), (157, 516240), (180, 450276), (216, 375230), (239, 339120), (240, 337707), (270, 300184), (314, 258120), (360, 225138), (432, 187615), (471, 172080), (478, 169560), (540, 150092), (628, 129060), (717, 113040), (720, 112569), (785, 103248), (942, 86040), (956, 84780), (1080, 75046), (1195, 67824), (1256, 64530), (1413, 57360), (1434, 56520), (1570, 51624), (1884, 43020), (1912, 42390), (2151, 37680), (2160, 37523), (2355, 34416), (2390, 33912), (2512, 32265), (2826, 28680), (2868, 28260), (3140, 25812), (3585, 22608), (3768, 21510), (3824, 21195), (4239, 19120), (4302, 18840), (4710, 17208), (4780, 16956), (5652, 14340), (5736, 14130), (6280, 12906), (6453, 12560), (7065, 11472), (7170, 11304), (7536, 10755), (8478, 9560), (8604, 9420)]