128437120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{28669}}^1$

素因数の和:28695

約数の個数: 64

約数和(自身を含む): 350920800

約数和(自身を除く): 222483680

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, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 28669, 57338, 114676, 143345, 200683, 229352, 286690, 401366, 458704, 573380, 802732, 917408, 1003415, 1146760, 1605464, 1834816, 2006830, 2293520, 3210928, 3669632, 4013660, 4587040, 6421856, 8027320, 9174080, 12843712, 16054640, 18348160, 25687424, 32109280, 64218560, 128437120]

約数ペア:

[(1, 128437120), (2, 64218560), (4, 32109280), (5, 25687424), (7, 18348160), (8, 16054640), (10, 12843712), (14, 9174080), (16, 8027320), (20, 6421856), (28, 4587040), (32, 4013660), (35, 3669632), (40, 3210928), (56, 2293520), (64, 2006830), (70, 1834816), (80, 1605464), (112, 1146760), (128, 1003415), (140, 917408), (160, 802732), (224, 573380), (280, 458704), (320, 401366), (448, 286690), (560, 229352), (640, 200683), (896, 143345), (1120, 114676), (2240, 57338), (4480, 28669)]