278880320

素因数分解:

$2^6\times 5^1\times {\mathrm{149}}^1\times {\mathrm{5849}}^1$

素因数の和:6015

約数の個数: 56

約数和(自身を含む): 668655000

約数和(自身を除く): 389774680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 149, 160, 298, 320, 596, 745, 1192, 1490, 2384, 2980, 4768, 5849, 5960, 9536, 11698, 11920, 23396, 23840, 29245, 46792, 47680, 58490, 93584, 116980, 187168, 233960, 374336, 467920, 871501, 935840, 1743002, 1871680, 3486004, 4357505, 6972008, 8715010, 13944016, 17430020, 27888032, 34860040, 55776064, 69720080, 139440160, 278880320]

約数ペア:

[(1, 278880320), (2, 139440160), (4, 69720080), (5, 55776064), (8, 34860040), (10, 27888032), (16, 17430020), (20, 13944016), (32, 8715010), (40, 6972008), (64, 4357505), (80, 3486004), (149, 1871680), (160, 1743002), (298, 935840), (320, 871501), (596, 467920), (745, 374336), (1192, 233960), (1490, 187168), (2384, 116980), (2980, 93584), (4768, 58490), (5849, 47680), (5960, 46792), (9536, 29245), (11698, 23840), (11920, 23396)]