1909120

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 4834800

約数和(自身を除く): 2925680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 157, 160, 190, 304, 314, 320, 380, 608, 628, 640, 760, 785, 1216, 1256, 1520, 1570, 2432, 2512, 2983, 3040, 3140, 5024, 5966, 6080, 6280, 10048, 11932, 12160, 12560, 14915, 20096, 23864, 25120, 29830, 47728, 50240, 59660, 95456, 100480, 119320, 190912, 238640, 381824, 477280, 954560, 1909120]

約数ペア:

[(1, 1909120), (2, 954560), (4, 477280), (5, 381824), (8, 238640), (10, 190912), (16, 119320), (19, 100480), (20, 95456), (32, 59660), (38, 50240), (40, 47728), (64, 29830), (76, 25120), (80, 23864), (95, 20096), (128, 14915), (152, 12560), (157, 12160), (160, 11932), (190, 10048), (304, 6280), (314, 6080), (320, 5966), (380, 5024), (608, 3140), (628, 3040), (640, 2983), (760, 2512), (785, 2432), (1216, 1570), (1256, 1520)]