1520289920

素因数分解:

$2^7\times 5^1\times {\mathrm{929}}^1\times {\mathrm{2557}}^1$

素因数の和:3505

約数の個数: 64

約数和(自身を含む): 3639778200

約数和(自身を除く): 2119488280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 929, 1858, 2557, 3716, 4645, 5114, 7432, 9290, 10228, 12785, 14864, 18580, 20456, 25570, 29728, 37160, 40912, 51140, 59456, 74320, 81824, 102280, 118912, 148640, 163648, 204560, 297280, 327296, 409120, 594560, 818240, 1636480, 2375453, 4750906, 9501812, 11877265, 19003624, 23754530, 38007248, 47509060, 76014496, 95018120, 152028992, 190036240, 304057984, 380072480, 760144960, 1520289920]

約数ペア:

[(1, 1520289920), (2, 760144960), (4, 380072480), (5, 304057984), (8, 190036240), (10, 152028992), (16, 95018120), (20, 76014496), (32, 47509060), (40, 38007248), (64, 23754530), (80, 19003624), (128, 11877265), (160, 9501812), (320, 4750906), (640, 2375453), (929, 1636480), (1858, 818240), (2557, 594560), (3716, 409120), (4645, 327296), (5114, 297280), (7432, 204560), (9290, 163648), (10228, 148640), (12785, 118912), (14864, 102280), (18580, 81824), (20456, 74320), (25570, 59456), (29728, 51140), (37160, 40912)]