205643520

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{17851}}^1$

素因数の和:17878

約数の個数: 108

約数和(自身を含む): 711545016

約数和(自身を除く): 505901496

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, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 17851, 35702, 53553, 71404, 89255, 107106, 142808, 160659, 178510, 214212, 267765, 285616, 321318, 357020, 428424, 535530, 571232, 642636, 714040, 803295, 856848, 1071060, 1142464, 1285272, 1428080, 1606590, 1713696, 2142120, 2284928, 2570544, 2856160, 3213180, 3427392, 4284240, 4569856, 5141088, 5712320, 6426360, 6854784, 8568480, 10282176, 11424640, 12852720, 13709568, 17136960, 20564352, 22849280, 25705440, 34273920, 41128704, 51410880, 68547840, 102821760, 205643520]

約数ペア:

[(1, 205643520), (2, 102821760), (3, 68547840), (4, 51410880), (5, 41128704), (6, 34273920), (8, 25705440), (9, 22849280), (10, 20564352), (12, 17136960), (15, 13709568), (16, 12852720), (18, 11424640), (20, 10282176), (24, 8568480), (30, 6854784), (32, 6426360), (36, 5712320), (40, 5141088), (45, 4569856), (48, 4284240), (60, 3427392), (64, 3213180), (72, 2856160), (80, 2570544), (90, 2284928), (96, 2142120), (120, 1713696), (128, 1606590), (144, 1428080), (160, 1285272), (180, 1142464), (192, 1071060), (240, 856848), (256, 803295), (288, 714040), (320, 642636), (360, 571232), (384, 535530), (480, 428424), (576, 357020), (640, 321318), (720, 285616), (768, 267765), (960, 214212), (1152, 178510), (1280, 160659), (1440, 142808), (1920, 107106), (2304, 89255), (2880, 71404), (3840, 53553), (5760, 35702), (11520, 17851)]