180104960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{20101}}^1$

素因数の和:20129

約数の個数: 72

約数和(自身を含む): 493061856

約数和(自身を除く): 312956896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 20101, 40202, 80404, 100505, 140707, 160808, 201010, 281414, 321616, 402020, 562828, 643232, 703535, 804040, 1125656, 1286464, 1407070, 1608080, 2251312, 2572928, 2814140, 3216160, 4502624, 5145856, 5628280, 6432320, 9005248, 11256560, 12864640, 18010496, 22513120, 25729280, 36020992, 45026240, 90052480, 180104960]

約数ペア:

[(1, 180104960), (2, 90052480), (4, 45026240), (5, 36020992), (7, 25729280), (8, 22513120), (10, 18010496), (14, 12864640), (16, 11256560), (20, 9005248), (28, 6432320), (32, 5628280), (35, 5145856), (40, 4502624), (56, 3216160), (64, 2814140), (70, 2572928), (80, 2251312), (112, 1608080), (128, 1407070), (140, 1286464), (160, 1125656), (224, 804040), (256, 703535), (280, 643232), (320, 562828), (448, 402020), (560, 321616), (640, 281414), (896, 201010), (1120, 160808), (1280, 140707), (1792, 100505), (2240, 80404), (4480, 40202), (8960, 20101)]