123959280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1301}}^1$

素因数の和:1714

約数の個数: 80

約数和(自身を含む): 385537824

約数和(自身を除く): 261578544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 397, 794, 1191, 1301, 1588, 1985, 2382, 2602, 3176, 3903, 3970, 4764, 5204, 5955, 6352, 6505, 7806, 7940, 9528, 10408, 11910, 13010, 15612, 15880, 19056, 19515, 20816, 23820, 26020, 31224, 31760, 39030, 47640, 52040, 62448, 78060, 95280, 104080, 156120, 312240, 516497, 1032994, 1549491, 2065988, 2582485, 3098982, 4131976, 5164970, 6197964, 7747455, 8263952, 10329940, 12395928, 15494910, 20659880, 24791856, 30989820, 41319760, 61979640, 123959280]

約数ペア:

[(1, 123959280), (2, 61979640), (3, 41319760), (4, 30989820), (5, 24791856), (6, 20659880), (8, 15494910), (10, 12395928), (12, 10329940), (15, 8263952), (16, 7747455), (20, 6197964), (24, 5164970), (30, 4131976), (40, 3098982), (48, 2582485), (60, 2065988), (80, 1549491), (120, 1032994), (240, 516497), (397, 312240), (794, 156120), (1191, 104080), (1301, 95280), (1588, 78060), (1985, 62448), (2382, 52040), (2602, 47640), (3176, 39030), (3903, 31760), (3970, 31224), (4764, 26020), (5204, 23820), (5955, 20816), (6352, 19515), (6505, 19056), (7806, 15880), (7940, 15612), (9528, 13010), (10408, 11910)]