256631880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{35059}}^1$

素因数の和:35134

約数の個数: 64

約数和(自身を含む): 782539200

約数和(自身を除く): 525907320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 7320, 35059, 70118, 105177, 140236, 175295, 210354, 280472, 350590, 420708, 525885, 701180, 841416, 1051770, 1402360, 2103540, 2138599, 4207080, 4277198, 6415797, 8554396, 10692995, 12831594, 17108792, 21385990, 25663188, 32078985, 42771980, 51326376, 64157970, 85543960, 128315940, 256631880]

約数ペア:

[(1, 256631880), (2, 128315940), (3, 85543960), (4, 64157970), (5, 51326376), (6, 42771980), (8, 32078985), (10, 25663188), (12, 21385990), (15, 17108792), (20, 12831594), (24, 10692995), (30, 8554396), (40, 6415797), (60, 4277198), (61, 4207080), (120, 2138599), (122, 2103540), (183, 1402360), (244, 1051770), (305, 841416), (366, 701180), (488, 525885), (610, 420708), (732, 350590), (915, 280472), (1220, 210354), (1464, 175295), (1830, 140236), (2440, 105177), (3660, 70118), (7320, 35059)]