168404480

素因数分解:

$2^9\times 5^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:599

約数の個数: 80

約数和(自身を含む): 407317680

約数和(自身を除く): 238913200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 256, 314, 320, 419, 512, 628, 640, 785, 838, 1256, 1280, 1570, 1676, 2095, 2512, 2560, 3140, 3352, 4190, 5024, 6280, 6704, 8380, 10048, 12560, 13408, 16760, 20096, 25120, 26816, 33520, 40192, 50240, 53632, 65783, 67040, 80384, 100480, 107264, 131566, 134080, 200960, 214528, 263132, 268160, 328915, 401920, 526264, 536320, 657830, 1052528, 1072640, 1315660, 2105056, 2631320, 4210112, 5262640, 8420224, 10525280, 16840448, 21050560, 33680896, 42101120, 84202240, 168404480]

約数ペア:

[(1, 168404480), (2, 84202240), (4, 42101120), (5, 33680896), (8, 21050560), (10, 16840448), (16, 10525280), (20, 8420224), (32, 5262640), (40, 4210112), (64, 2631320), (80, 2105056), (128, 1315660), (157, 1072640), (160, 1052528), (256, 657830), (314, 536320), (320, 526264), (419, 401920), (512, 328915), (628, 268160), (640, 263132), (785, 214528), (838, 200960), (1256, 134080), (1280, 131566), (1570, 107264), (1676, 100480), (2095, 80384), (2512, 67040), (2560, 65783), (3140, 53632), (3352, 50240), (4190, 40192), (5024, 33520), (6280, 26816), (6704, 25120), (8380, 20096), (10048, 16760), (12560, 13408)]