389891520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{409}}^1$

素因数の和:763

約数の個数: 168

約数和(自身を含む): 1348404720

約数和(自身を除く): 958513200

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, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 331, 360, 409, 480, 576, 662, 720, 818, 960, 993, 1227, 1324, 1440, 1636, 1655, 1986, 2045, 2454, 2648, 2880, 2979, 3272, 3310, 3681, 3972, 4090, 4908, 4965, 5296, 5958, 6135, 6544, 6620, 7362, 7944, 8180, 9816, 9930, 10592, 11916, 12270, 13088, 13240, 14724, 14895, 15888, 16360, 18405, 19632, 19860, 21184, 23832, 24540, 26176, 26480, 29448, 29790, 31776, 32720, 36810, 39264, 39720, 47664, 49080, 52960, 58896, 59580, 63552, 65440, 73620, 78528, 79440, 95328, 98160, 105920, 117792, 119160, 130880, 135379, 147240, 158880, 190656, 196320, 235584, 238320, 270758, 294480, 317760, 392640, 406137, 476640, 541516, 588960, 676895, 812274, 953280, 1083032, 1177920, 1218411, 1353790, 1624548, 2030685, 2166064, 2436822, 2707580, 3249096, 4061370, 4332128, 4873644, 5415160, 6092055, 6498192, 8122740, 8664256, 9747288, 10830320, 12184110, 12996384, 16245480, 19494576, 21660640, 24368220, 25992768, 32490960, 38989152, 43321280, 48736440, 64981920, 77978304, 97472880, 129963840, 194945760, 389891520]

約数ペア:

[(1, 389891520), (2, 194945760), (3, 129963840), (4, 97472880), (5, 77978304), (6, 64981920), (8, 48736440), (9, 43321280), (10, 38989152), (12, 32490960), (15, 25992768), (16, 24368220), (18, 21660640), (20, 19494576), (24, 16245480), (30, 12996384), (32, 12184110), (36, 10830320), (40, 9747288), (45, 8664256), (48, 8122740), (60, 6498192), (64, 6092055), (72, 5415160), (80, 4873644), (90, 4332128), (96, 4061370), (120, 3249096), (144, 2707580), (160, 2436822), (180, 2166064), (192, 2030685), (240, 1624548), (288, 1353790), (320, 1218411), (331, 1177920), (360, 1083032), (409, 953280), (480, 812274), (576, 676895), (662, 588960), (720, 541516), (818, 476640), (960, 406137), (993, 392640), (1227, 317760), (1324, 294480), (1440, 270758), (1636, 238320), (1655, 235584), (1986, 196320), (2045, 190656), (2454, 158880), (2648, 147240), (2880, 135379), (2979, 130880), (3272, 119160), (3310, 117792), (3681, 105920), (3972, 98160), (4090, 95328), (4908, 79440), (4965, 78528), (5296, 73620), (5958, 65440), (6135, 63552), (6544, 59580), (6620, 58896), (7362, 52960), (7944, 49080), (8180, 47664), (9816, 39720), (9930, 39264), (10592, 36810), (11916, 32720), (12270, 31776), (13088, 29790), (13240, 29448), (14724, 26480), (14895, 26176), (15888, 24540), (16360, 23832), (18405, 21184), (19632, 19860)]