67721760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:511

約数の個数: 144

約数和(自身を含む): 233513280

約数和(自身を除く): 165791520

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, 131, 144, 160, 180, 240, 262, 288, 359, 360, 393, 480, 524, 655, 718, 720, 786, 1048, 1077, 1179, 1310, 1436, 1440, 1572, 1795, 1965, 2096, 2154, 2358, 2620, 2872, 3144, 3231, 3590, 3930, 4192, 4308, 4716, 5240, 5385, 5744, 5895, 6288, 6462, 7180, 7860, 8616, 9432, 10480, 10770, 11488, 11790, 12576, 12924, 14360, 15720, 16155, 17232, 18864, 20960, 21540, 23580, 25848, 28720, 31440, 32310, 34464, 37728, 43080, 47029, 47160, 51696, 57440, 62880, 64620, 86160, 94058, 94320, 103392, 129240, 141087, 172320, 188116, 188640, 235145, 258480, 282174, 376232, 423261, 470290, 516960, 564348, 705435, 752464, 846522, 940580, 1128696, 1410870, 1504928, 1693044, 1881160, 2116305, 2257392, 2821740, 3386088, 3762320, 4232610, 4514784, 5643480, 6772176, 7524640, 8465220, 11286960, 13544352, 16930440, 22573920, 33860880, 67721760]

約数ペア:

[(1, 67721760), (2, 33860880), (3, 22573920), (4, 16930440), (5, 13544352), (6, 11286960), (8, 8465220), (9, 7524640), (10, 6772176), (12, 5643480), (15, 4514784), (16, 4232610), (18, 3762320), (20, 3386088), (24, 2821740), (30, 2257392), (32, 2116305), (36, 1881160), (40, 1693044), (45, 1504928), (48, 1410870), (60, 1128696), (72, 940580), (80, 846522), (90, 752464), (96, 705435), (120, 564348), (131, 516960), (144, 470290), (160, 423261), (180, 376232), (240, 282174), (262, 258480), (288, 235145), (359, 188640), (360, 188116), (393, 172320), (480, 141087), (524, 129240), (655, 103392), (718, 94320), (720, 94058), (786, 86160), (1048, 64620), (1077, 62880), (1179, 57440), (1310, 51696), (1436, 47160), (1440, 47029), (1572, 43080), (1795, 37728), (1965, 34464), (2096, 32310), (2154, 31440), (2358, 28720), (2620, 25848), (2872, 23580), (3144, 21540), (3231, 20960), (3590, 18864), (3930, 17232), (4192, 16155), (4308, 15720), (4716, 14360), (5240, 12924), (5385, 12576), (5744, 11790), (5895, 11488), (6288, 10770), (6462, 10480), (7180, 9432), (7860, 8616)]