30402680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9871}}^1$

素因数の和:9900

約数の個数: 64

約数和(自身を含む): 85294080

約数和(自身を除く): 54891400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 9871, 19742, 39484, 49355, 69097, 78968, 98710, 108581, 138194, 197420, 217162, 276388, 345485, 394840, 434324, 542905, 552776, 690970, 760067, 868648, 1085810, 1381940, 1520134, 2171620, 2763880, 3040268, 3800335, 4343240, 6080536, 7600670, 15201340, 30402680]

約数ペア:

[(1, 30402680), (2, 15201340), (4, 7600670), (5, 6080536), (7, 4343240), (8, 3800335), (10, 3040268), (11, 2763880), (14, 2171620), (20, 1520134), (22, 1381940), (28, 1085810), (35, 868648), (40, 760067), (44, 690970), (55, 552776), (56, 542905), (70, 434324), (77, 394840), (88, 345485), (110, 276388), (140, 217162), (154, 197420), (220, 138194), (280, 108581), (308, 98710), (385, 78968), (440, 69097), (616, 49355), (770, 39484), (1540, 19742), (3080, 9871)]