169208320

素因数分解:

$2^9\times 5^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:601

約数の個数: 80

約数和(自身を含む): 409257288

約数和(自身を除く): 240048968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 256, 314, 320, 421, 512, 628, 640, 785, 842, 1256, 1280, 1570, 1684, 2105, 2512, 2560, 3140, 3368, 4210, 5024, 6280, 6736, 8420, 10048, 12560, 13472, 16840, 20096, 25120, 26944, 33680, 40192, 50240, 53888, 66097, 67360, 80384, 100480, 107776, 132194, 134720, 200960, 215552, 264388, 269440, 330485, 401920, 528776, 538880, 660970, 1057552, 1077760, 1321940, 2115104, 2643880, 4230208, 5287760, 8460416, 10575520, 16920832, 21151040, 33841664, 42302080, 84604160, 169208320]

約数ペア:

[(1, 169208320), (2, 84604160), (4, 42302080), (5, 33841664), (8, 21151040), (10, 16920832), (16, 10575520), (20, 8460416), (32, 5287760), (40, 4230208), (64, 2643880), (80, 2115104), (128, 1321940), (157, 1077760), (160, 1057552), (256, 660970), (314, 538880), (320, 528776), (421, 401920), (512, 330485), (628, 269440), (640, 264388), (785, 215552), (842, 200960), (1256, 134720), (1280, 132194), (1570, 107776), (1684, 100480), (2105, 80384), (2512, 67360), (2560, 66097), (3140, 53888), (3368, 50240), (4210, 40192), (5024, 33680), (6280, 26944), (6736, 25120), (8420, 20096), (10048, 16840), (12560, 13472)]