78124320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:487

約数の個数: 144

約数和(自身を含む): 268894080

約数和(自身を除く): 190769760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 227, 239, 240, 288, 360, 454, 478, 480, 681, 717, 720, 908, 956, 1135, 1195, 1362, 1434, 1440, 1816, 1912, 2043, 2151, 2270, 2390, 2724, 2868, 3405, 3585, 3632, 3824, 4086, 4302, 4540, 4780, 5448, 5736, 6810, 7170, 7264, 7648, 8172, 8604, 9080, 9560, 10215, 10755, 10896, 11472, 13620, 14340, 16344, 17208, 18160, 19120, 20430, 21510, 21792, 22944, 27240, 28680, 32688, 34416, 36320, 38240, 40860, 43020, 54253, 54480, 57360, 65376, 68832, 81720, 86040, 108506, 108960, 114720, 162759, 163440, 172080, 217012, 271265, 325518, 326880, 344160, 434024, 488277, 542530, 651036, 813795, 868048, 976554, 1085060, 1302072, 1627590, 1736096, 1953108, 2170120, 2441385, 2604144, 3255180, 3906216, 4340240, 4882770, 5208288, 6510360, 7812432, 8680480, 9765540, 13020720, 15624864, 19531080, 26041440, 39062160, 78124320]

約数ペア:

[(1, 78124320), (2, 39062160), (3, 26041440), (4, 19531080), (5, 15624864), (6, 13020720), (8, 9765540), (9, 8680480), (10, 7812432), (12, 6510360), (15, 5208288), (16, 4882770), (18, 4340240), (20, 3906216), (24, 3255180), (30, 2604144), (32, 2441385), (36, 2170120), (40, 1953108), (45, 1736096), (48, 1627590), (60, 1302072), (72, 1085060), (80, 976554), (90, 868048), (96, 813795), (120, 651036), (144, 542530), (160, 488277), (180, 434024), (227, 344160), (239, 326880), (240, 325518), (288, 271265), (360, 217012), (454, 172080), (478, 163440), (480, 162759), (681, 114720), (717, 108960), (720, 108506), (908, 86040), (956, 81720), (1135, 68832), (1195, 65376), (1362, 57360), (1434, 54480), (1440, 54253), (1816, 43020), (1912, 40860), (2043, 38240), (2151, 36320), (2270, 34416), (2390, 32688), (2724, 28680), (2868, 27240), (3405, 22944), (3585, 21792), (3632, 21510), (3824, 20430), (4086, 19120), (4302, 18160), (4540, 17208), (4780, 16344), (5448, 14340), (5736, 13620), (6810, 11472), (7170, 10896), (7264, 10755), (7648, 10215), (8172, 9560), (8604, 9080)]