21824640

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{421}}^1$

素因数の和:452

約数の個数: 160

約数和(自身を含む): 78124860

約数和(自身を除く): 56300220

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, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 384, 405, 421, 432, 480, 540, 576, 640, 648, 720, 810, 842, 864, 960, 1080, 1152, 1263, 1296, 1440, 1620, 1684, 1728, 1920, 2105, 2160, 2526, 2592, 2880, 3240, 3368, 3456, 3789, 4210, 4320, 5052, 5184, 5760, 6315, 6480, 6736, 7578, 8420, 8640, 10104, 10368, 11367, 12630, 12960, 13472, 15156, 16840, 17280, 18945, 20208, 22734, 25260, 25920, 26944, 30312, 33680, 34101, 37890, 40416, 45468, 50520, 51840, 53888, 56835, 60624, 67360, 68202, 75780, 80832, 90936, 101040, 113670, 121248, 134720, 136404, 151560, 161664, 170505, 181872, 202080, 227340, 242496, 269440, 272808, 303120, 341010, 363744, 404160, 454680, 484992, 545616, 606240, 682020, 727488, 808320, 909360, 1091232, 1212480, 1364040, 1454976, 1818720, 2182464, 2424960, 2728080, 3637440, 4364928, 5456160, 7274880, 10912320, 21824640]

約数ペア:

[(1, 21824640), (2, 10912320), (3, 7274880), (4, 5456160), (5, 4364928), (6, 3637440), (8, 2728080), (9, 2424960), (10, 2182464), (12, 1818720), (15, 1454976), (16, 1364040), (18, 1212480), (20, 1091232), (24, 909360), (27, 808320), (30, 727488), (32, 682020), (36, 606240), (40, 545616), (45, 484992), (48, 454680), (54, 404160), (60, 363744), (64, 341010), (72, 303120), (80, 272808), (81, 269440), (90, 242496), (96, 227340), (108, 202080), (120, 181872), (128, 170505), (135, 161664), (144, 151560), (160, 136404), (162, 134720), (180, 121248), (192, 113670), (216, 101040), (240, 90936), (270, 80832), (288, 75780), (320, 68202), (324, 67360), (360, 60624), (384, 56835), (405, 53888), (421, 51840), (432, 50520), (480, 45468), (540, 40416), (576, 37890), (640, 34101), (648, 33680), (720, 30312), (810, 26944), (842, 25920), (864, 25260), (960, 22734), (1080, 20208), (1152, 18945), (1263, 17280), (1296, 16840), (1440, 15156), (1620, 13472), (1684, 12960), (1728, 12630), (1920, 11367), (2105, 10368), (2160, 10104), (2526, 8640), (2592, 8420), (2880, 7578), (3240, 6736), (3368, 6480), (3456, 6315), (3789, 5760), (4210, 5184), (4320, 5052)]