255833280

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:655

約数の個数: 168

約数和(自身を含む): 886230384

約数和(自身を除く): 630397104

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, 211, 240, 288, 320, 360, 421, 422, 480, 576, 633, 720, 842, 844, 960, 1055, 1263, 1266, 1440, 1684, 1688, 1899, 2105, 2110, 2526, 2532, 2880, 3165, 3368, 3376, 3789, 3798, 4210, 4220, 5052, 5064, 6315, 6330, 6736, 6752, 7578, 7596, 8420, 8440, 9495, 10104, 10128, 12630, 12660, 13472, 13504, 15156, 15192, 16840, 16880, 18945, 18990, 20208, 20256, 25260, 25320, 26944, 30312, 30384, 33680, 33760, 37890, 37980, 40416, 40512, 50520, 50640, 60624, 60768, 67360, 67520, 75780, 75960, 80832, 88831, 101040, 101280, 121248, 121536, 134720, 151560, 151920, 177662, 202080, 202560, 242496, 266493, 303120, 303840, 355324, 404160, 444155, 532986, 606240, 607680, 710648, 799479, 888310, 1065972, 1212480, 1332465, 1421296, 1598958, 1776620, 2131944, 2664930, 2842592, 3197916, 3553240, 3997395, 4263888, 5329860, 5685184, 6395832, 7106480, 7994790, 8527776, 10659720, 12791664, 14212960, 15989580, 17055552, 21319440, 25583328, 28425920, 31979160, 42638880, 51166656, 63958320, 85277760, 127916640, 255833280]

約数ペア:

[(1, 255833280), (2, 127916640), (3, 85277760), (4, 63958320), (5, 51166656), (6, 42638880), (8, 31979160), (9, 28425920), (10, 25583328), (12, 21319440), (15, 17055552), (16, 15989580), (18, 14212960), (20, 12791664), (24, 10659720), (30, 8527776), (32, 7994790), (36, 7106480), (40, 6395832), (45, 5685184), (48, 5329860), (60, 4263888), (64, 3997395), (72, 3553240), (80, 3197916), (90, 2842592), (96, 2664930), (120, 2131944), (144, 1776620), (160, 1598958), (180, 1421296), (192, 1332465), (211, 1212480), (240, 1065972), (288, 888310), (320, 799479), (360, 710648), (421, 607680), (422, 606240), (480, 532986), (576, 444155), (633, 404160), (720, 355324), (842, 303840), (844, 303120), (960, 266493), (1055, 242496), (1263, 202560), (1266, 202080), (1440, 177662), (1684, 151920), (1688, 151560), (1899, 134720), (2105, 121536), (2110, 121248), (2526, 101280), (2532, 101040), (2880, 88831), (3165, 80832), (3368, 75960), (3376, 75780), (3789, 67520), (3798, 67360), (4210, 60768), (4220, 60624), (5052, 50640), (5064, 50520), (6315, 40512), (6330, 40416), (6736, 37980), (6752, 37890), (7578, 33760), (7596, 33680), (8420, 30384), (8440, 30312), (9495, 26944), (10104, 25320), (10128, 25260), (12630, 20256), (12660, 20208), (13472, 18990), (13504, 18945), (15156, 16880), (15192, 16840)]