51239520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:462

約数の個数: 192

約数和(自身を含む): 185976000

約数和(自身を除く): 134736480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 72, 80, 87, 90, 96, 108, 116, 120, 135, 144, 145, 160, 174, 180, 216, 232, 240, 261, 270, 288, 290, 348, 360, 409, 432, 435, 464, 480, 522, 540, 580, 696, 720, 783, 818, 864, 870, 928, 1044, 1080, 1160, 1227, 1305, 1392, 1440, 1566, 1636, 1740, 2045, 2088, 2160, 2320, 2454, 2610, 2784, 3132, 3272, 3480, 3681, 3915, 4090, 4176, 4320, 4640, 4908, 5220, 6135, 6264, 6544, 6960, 7362, 7830, 8180, 8352, 9816, 10440, 11043, 11861, 12270, 12528, 13088, 13920, 14724, 15660, 16360, 18405, 19632, 20880, 22086, 23722, 24540, 25056, 29448, 31320, 32720, 35583, 36810, 39264, 41760, 44172, 47444, 49080, 55215, 58896, 59305, 62640, 65440, 71166, 73620, 88344, 94888, 98160, 106749, 110430, 117792, 118610, 125280, 142332, 147240, 176688, 177915, 189776, 196320, 213498, 220860, 237220, 284664, 294480, 320247, 353376, 355830, 379552, 426996, 441720, 474440, 533745, 569328, 588960, 640494, 711660, 853992, 883440, 948880, 1067490, 1138656, 1280988, 1423320, 1601235, 1707984, 1766880, 1897760, 2134980, 2561976, 2846640, 3202470, 3415968, 4269960, 5123952, 5693280, 6404940, 8539920, 10247904, 12809880, 17079840, 25619760, 51239520]

約数ペア:

[(1, 51239520), (2, 25619760), (3, 17079840), (4, 12809880), (5, 10247904), (6, 8539920), (8, 6404940), (9, 5693280), (10, 5123952), (12, 4269960), (15, 3415968), (16, 3202470), (18, 2846640), (20, 2561976), (24, 2134980), (27, 1897760), (29, 1766880), (30, 1707984), (32, 1601235), (36, 1423320), (40, 1280988), (45, 1138656), (48, 1067490), (54, 948880), (58, 883440), (60, 853992), (72, 711660), (80, 640494), (87, 588960), (90, 569328), (96, 533745), (108, 474440), (116, 441720), (120, 426996), (135, 379552), (144, 355830), (145, 353376), (160, 320247), (174, 294480), (180, 284664), (216, 237220), (232, 220860), (240, 213498), (261, 196320), (270, 189776), (288, 177915), (290, 176688), (348, 147240), (360, 142332), (409, 125280), (432, 118610), (435, 117792), (464, 110430), (480, 106749), (522, 98160), (540, 94888), (580, 88344), (696, 73620), (720, 71166), (783, 65440), (818, 62640), (864, 59305), (870, 58896), (928, 55215), (1044, 49080), (1080, 47444), (1160, 44172), (1227, 41760), (1305, 39264), (1392, 36810), (1440, 35583), (1566, 32720), (1636, 31320), (1740, 29448), (2045, 25056), (2088, 24540), (2160, 23722), (2320, 22086), (2454, 20880), (2610, 19632), (2784, 18405), (3132, 16360), (3272, 15660), (3480, 14724), (3681, 13920), (3915, 13088), (4090, 12528), (4176, 12270), (4320, 11861), (4640, 11043), (4908, 10440), (5220, 9816), (6135, 8352), (6264, 8180), (6544, 7830), (6960, 7362)]