90581320

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{463}}^1$

素因数の和:614

約数の個数: 64

約数和(自身を含む): 210136320

約数和(自身を除く): 119555000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 73, 134, 146, 268, 292, 335, 365, 463, 536, 584, 670, 730, 926, 1340, 1460, 1852, 2315, 2680, 2920, 3704, 4630, 4891, 9260, 9782, 18520, 19564, 24455, 31021, 33799, 39128, 48910, 62042, 67598, 97820, 124084, 135196, 155105, 168995, 195640, 248168, 270392, 310210, 337990, 620420, 675980, 1240840, 1351960, 2264533, 4529066, 9058132, 11322665, 18116264, 22645330, 45290660, 90581320]

約数ペア:

[(1, 90581320), (2, 45290660), (4, 22645330), (5, 18116264), (8, 11322665), (10, 9058132), (20, 4529066), (40, 2264533), (67, 1351960), (73, 1240840), (134, 675980), (146, 620420), (268, 337990), (292, 310210), (335, 270392), (365, 248168), (463, 195640), (536, 168995), (584, 155105), (670, 135196), (730, 124084), (926, 97820), (1340, 67598), (1460, 62042), (1852, 48910), (2315, 39128), (2680, 33799), (2920, 31021), (3704, 24455), (4630, 19564), (4891, 18520), (9260, 9782)]