219516720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:387

約数の個数: 160

約数和(自身を含む): 707097600

約数和(自身を除く): 487580880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 89, 120, 129, 172, 178, 215, 239, 240, 258, 267, 344, 356, 430, 445, 478, 516, 534, 645, 688, 712, 717, 860, 890, 956, 1032, 1068, 1195, 1290, 1335, 1424, 1434, 1720, 1780, 1912, 2064, 2136, 2390, 2580, 2670, 2868, 3440, 3560, 3585, 3824, 3827, 4272, 4780, 5160, 5340, 5736, 7120, 7170, 7654, 9560, 10277, 10320, 10680, 11472, 11481, 14340, 15308, 19120, 19135, 20554, 21271, 21360, 22962, 28680, 30616, 30831, 38270, 41108, 42542, 45924, 51385, 57360, 57405, 61232, 61662, 63813, 76540, 82216, 85084, 91848, 102770, 106355, 114810, 123324, 127626, 153080, 154155, 164432, 170168, 183696, 205540, 212710, 229620, 246648, 255252, 306160, 308310, 319065, 340336, 411080, 425420, 459240, 493296, 510504, 616620, 638130, 822160, 850840, 914653, 918480, 1021008, 1233240, 1276260, 1701680, 1829306, 2466480, 2552520, 2743959, 3658612, 4573265, 5105040, 5487918, 7317224, 9146530, 10975836, 13719795, 14634448, 18293060, 21951672, 27439590, 36586120, 43903344, 54879180, 73172240, 109758360, 219516720]

約数ペア:

[(1, 219516720), (2, 109758360), (3, 73172240), (4, 54879180), (5, 43903344), (6, 36586120), (8, 27439590), (10, 21951672), (12, 18293060), (15, 14634448), (16, 13719795), (20, 10975836), (24, 9146530), (30, 7317224), (40, 5487918), (43, 5105040), (48, 4573265), (60, 3658612), (80, 2743959), (86, 2552520), (89, 2466480), (120, 1829306), (129, 1701680), (172, 1276260), (178, 1233240), (215, 1021008), (239, 918480), (240, 914653), (258, 850840), (267, 822160), (344, 638130), (356, 616620), (430, 510504), (445, 493296), (478, 459240), (516, 425420), (534, 411080), (645, 340336), (688, 319065), (712, 308310), (717, 306160), (860, 255252), (890, 246648), (956, 229620), (1032, 212710), (1068, 205540), (1195, 183696), (1290, 170168), (1335, 164432), (1424, 154155), (1434, 153080), (1720, 127626), (1780, 123324), (1912, 114810), (2064, 106355), (2136, 102770), (2390, 91848), (2580, 85084), (2670, 82216), (2868, 76540), (3440, 63813), (3560, 61662), (3585, 61232), (3824, 57405), (3827, 57360), (4272, 51385), (4780, 45924), (5160, 42542), (5340, 41108), (5736, 38270), (7120, 30831), (7170, 30616), (7654, 28680), (9560, 22962), (10277, 21360), (10320, 21271), (10680, 20554), (11472, 19135), (11481, 19120), (14340, 15308)]