311880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 984960

約数和(自身を除く): 673080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 113, 115, 120, 138, 184, 226, 230, 276, 339, 345, 452, 460, 552, 565, 678, 690, 904, 920, 1130, 1356, 1380, 1695, 2260, 2599, 2712, 2760, 3390, 4520, 5198, 6780, 7797, 10396, 12995, 13560, 15594, 20792, 25990, 31188, 38985, 51980, 62376, 77970, 103960, 155940, 311880]

約数ペア:

[(1, 311880), (2, 155940), (3, 103960), (4, 77970), (5, 62376), (6, 51980), (8, 38985), (10, 31188), (12, 25990), (15, 20792), (20, 15594), (23, 13560), (24, 12995), (30, 10396), (40, 7797), (46, 6780), (60, 5198), (69, 4520), (92, 3390), (113, 2760), (115, 2712), (120, 2599), (138, 2260), (184, 1695), (226, 1380), (230, 1356), (276, 1130), (339, 920), (345, 904), (452, 690), (460, 678), (552, 565)]