72131520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{331}}^1$

素因数の和:578

約数の個数: 112

約数和(自身を含む): 230721408

約数和(自身を除く): 158589888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 227, 240, 320, 331, 454, 480, 662, 681, 908, 960, 993, 1135, 1324, 1362, 1655, 1816, 1986, 2270, 2648, 2724, 3310, 3405, 3632, 3972, 4540, 4965, 5296, 5448, 6620, 6810, 7264, 7944, 9080, 9930, 10592, 10896, 13240, 13620, 14528, 15888, 18160, 19860, 21184, 21792, 26480, 27240, 31776, 36320, 39720, 43584, 52960, 54480, 63552, 72640, 75137, 79440, 105920, 108960, 150274, 158880, 217920, 225411, 300548, 317760, 375685, 450822, 601096, 751370, 901644, 1127055, 1202192, 1502740, 1803288, 2254110, 2404384, 3005480, 3606576, 4508220, 4808768, 6010960, 7213152, 9016440, 12021920, 14426304, 18032880, 24043840, 36065760, 72131520]

約数ペア:

[(1, 72131520), (2, 36065760), (3, 24043840), (4, 18032880), (5, 14426304), (6, 12021920), (8, 9016440), (10, 7213152), (12, 6010960), (15, 4808768), (16, 4508220), (20, 3606576), (24, 3005480), (30, 2404384), (32, 2254110), (40, 1803288), (48, 1502740), (60, 1202192), (64, 1127055), (80, 901644), (96, 751370), (120, 601096), (160, 450822), (192, 375685), (227, 317760), (240, 300548), (320, 225411), (331, 217920), (454, 158880), (480, 150274), (662, 108960), (681, 105920), (908, 79440), (960, 75137), (993, 72640), (1135, 63552), (1324, 54480), (1362, 52960), (1655, 43584), (1816, 39720), (1986, 36320), (2270, 31776), (2648, 27240), (2724, 26480), (3310, 21792), (3405, 21184), (3632, 19860), (3972, 18160), (4540, 15888), (4965, 14528), (5296, 13620), (5448, 13240), (6620, 10896), (6810, 10592), (7264, 9930), (7944, 9080)]