51516840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1297}}^1$

素因数の和:1642

約数の個数: 64

約数和(自身を含む): 155136960

約数和(自身を除く): 103620120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 331, 662, 993, 1297, 1324, 1655, 1986, 2594, 2648, 3310, 3891, 3972, 4965, 5188, 6485, 6620, 7782, 7944, 9930, 10376, 12970, 13240, 15564, 19455, 19860, 25940, 31128, 38910, 39720, 51880, 77820, 155640, 429307, 858614, 1287921, 1717228, 2146535, 2575842, 3434456, 4293070, 5151684, 6439605, 8586140, 10303368, 12879210, 17172280, 25758420, 51516840]

約数ペア:

[(1, 51516840), (2, 25758420), (3, 17172280), (4, 12879210), (5, 10303368), (6, 8586140), (8, 6439605), (10, 5151684), (12, 4293070), (15, 3434456), (20, 2575842), (24, 2146535), (30, 1717228), (40, 1287921), (60, 858614), (120, 429307), (331, 155640), (662, 77820), (993, 51880), (1297, 39720), (1324, 38910), (1655, 31128), (1986, 25940), (2594, 19860), (2648, 19455), (3310, 15564), (3891, 13240), (3972, 12970), (4965, 10376), (5188, 9930), (6485, 7944), (6620, 7782)]