128135520

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{9887}}^1$

素因数の和:9914

約数の個数: 120

約数和(自身を含む): 452257344

約数和(自身を除く): 324121824

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, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 9887, 12960, 19774, 29661, 39548, 49435, 59322, 79096, 88983, 98870, 118644, 148305, 158192, 177966, 197740, 237288, 266949, 296610, 316384, 355932, 395480, 444915, 474576, 533898, 593220, 711864, 790960, 800847, 889830, 949152, 1067796, 1186440, 1334745, 1423728, 1581920, 1601694, 1779660, 2135592, 2372880, 2669490, 2847456, 3203388, 3559320, 4004235, 4271184, 4745760, 5338980, 6406776, 7118640, 8008470, 8542368, 10677960, 12813552, 14237280, 16016940, 21355920, 25627104, 32033880, 42711840, 64067760, 128135520]

約数ペア:

[(1, 128135520), (2, 64067760), (3, 42711840), (4, 32033880), (5, 25627104), (6, 21355920), (8, 16016940), (9, 14237280), (10, 12813552), (12, 10677960), (15, 8542368), (16, 8008470), (18, 7118640), (20, 6406776), (24, 5338980), (27, 4745760), (30, 4271184), (32, 4004235), (36, 3559320), (40, 3203388), (45, 2847456), (48, 2669490), (54, 2372880), (60, 2135592), (72, 1779660), (80, 1601694), (81, 1581920), (90, 1423728), (96, 1334745), (108, 1186440), (120, 1067796), (135, 949152), (144, 889830), (160, 800847), (162, 790960), (180, 711864), (216, 593220), (240, 533898), (270, 474576), (288, 444915), (324, 395480), (360, 355932), (405, 316384), (432, 296610), (480, 266949), (540, 237288), (648, 197740), (720, 177966), (810, 158192), (864, 148305), (1080, 118644), (1296, 98870), (1440, 88983), (1620, 79096), (2160, 59322), (2592, 49435), (3240, 39548), (4320, 29661), (6480, 19774), (9887, 12960)]