128098720

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^2\times {\mathrm{433}}^1$

素因数の和:534

約数の個数: 72

約数和(自身を含む): 310550436

約数和(自身を除く): 182451716

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 433, 688, 860, 866, 1376, 1720, 1732, 1849, 2165, 3440, 3464, 3698, 4330, 6880, 6928, 7396, 8660, 9245, 13856, 14792, 17320, 18490, 18619, 29584, 34640, 36980, 37238, 59168, 69280, 73960, 74476, 93095, 147920, 148952, 186190, 295840, 297904, 372380, 595808, 744760, 800617, 1489520, 1601234, 2979040, 3202468, 4003085, 6404936, 8006170, 12809872, 16012340, 25619744, 32024680, 64049360, 128098720]

約数ペア:

[(1, 128098720), (2, 64049360), (4, 32024680), (5, 25619744), (8, 16012340), (10, 12809872), (16, 8006170), (20, 6404936), (32, 4003085), (40, 3202468), (43, 2979040), (80, 1601234), (86, 1489520), (160, 800617), (172, 744760), (215, 595808), (344, 372380), (430, 297904), (433, 295840), (688, 186190), (860, 148952), (866, 147920), (1376, 93095), (1720, 74476), (1732, 73960), (1849, 69280), (2165, 59168), (3440, 37238), (3464, 36980), (3698, 34640), (4330, 29584), (6880, 18619), (6928, 18490), (7396, 17320), (8660, 14792), (9245, 13856)]