15901920

素因数分解:

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

素因数の和:439

約数の個数: 144

約数和(自身を含む): 56412720

約数和(自身を除く): 40510800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 409, 432, 480, 486, 540, 648, 720, 810, 818, 864, 972, 1080, 1215, 1227, 1296, 1440, 1620, 1636, 1944, 2045, 2160, 2430, 2454, 2592, 3240, 3272, 3681, 3888, 4090, 4320, 4860, 4908, 6135, 6480, 6544, 7362, 7776, 8180, 9720, 9816, 11043, 12270, 12960, 13088, 14724, 16360, 18405, 19440, 19632, 22086, 24540, 29448, 32720, 33129, 36810, 38880, 39264, 44172, 49080, 55215, 58896, 65440, 66258, 73620, 88344, 98160, 99387, 110430, 117792, 132516, 147240, 165645, 176688, 196320, 198774, 220860, 265032, 294480, 331290, 353376, 397548, 441720, 496935, 530064, 588960, 662580, 795096, 883440, 993870, 1060128, 1325160, 1590192, 1766880, 1987740, 2650320, 3180384, 3975480, 5300640, 7950960, 15901920]

約数ペア:

[(1, 15901920), (2, 7950960), (3, 5300640), (4, 3975480), (5, 3180384), (6, 2650320), (8, 1987740), (9, 1766880), (10, 1590192), (12, 1325160), (15, 1060128), (16, 993870), (18, 883440), (20, 795096), (24, 662580), (27, 588960), (30, 530064), (32, 496935), (36, 441720), (40, 397548), (45, 353376), (48, 331290), (54, 294480), (60, 265032), (72, 220860), (80, 198774), (81, 196320), (90, 176688), (96, 165645), (108, 147240), (120, 132516), (135, 117792), (144, 110430), (160, 99387), (162, 98160), (180, 88344), (216, 73620), (240, 66258), (243, 65440), (270, 58896), (288, 55215), (324, 49080), (360, 44172), (405, 39264), (409, 38880), (432, 36810), (480, 33129), (486, 32720), (540, 29448), (648, 24540), (720, 22086), (810, 19632), (818, 19440), (864, 18405), (972, 16360), (1080, 14724), (1215, 13088), (1227, 12960), (1296, 12270), (1440, 11043), (1620, 9816), (1636, 9720), (1944, 8180), (2045, 7776), (2160, 7362), (2430, 6544), (2454, 6480), (2592, 6135), (3240, 4908), (3272, 4860), (3681, 4320), (3888, 4090)]