31271880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{619}}^1$

素因数の和:1054

約数の個数: 64

約数和(自身を含む): 94190400

約数和(自身を除く): 62918520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 421, 619, 842, 1238, 1263, 1684, 1857, 2105, 2476, 2526, 3095, 3368, 3714, 4210, 4952, 5052, 6190, 6315, 7428, 8420, 9285, 10104, 12380, 12630, 14856, 16840, 18570, 24760, 25260, 37140, 50520, 74280, 260599, 521198, 781797, 1042396, 1302995, 1563594, 2084792, 2605990, 3127188, 3908985, 5211980, 6254376, 7817970, 10423960, 15635940, 31271880]

約数ペア:

[(1, 31271880), (2, 15635940), (3, 10423960), (4, 7817970), (5, 6254376), (6, 5211980), (8, 3908985), (10, 3127188), (12, 2605990), (15, 2084792), (20, 1563594), (24, 1302995), (30, 1042396), (40, 781797), (60, 521198), (120, 260599), (421, 74280), (619, 50520), (842, 37140), (1238, 25260), (1263, 24760), (1684, 18570), (1857, 16840), (2105, 14856), (2476, 12630), (2526, 12380), (3095, 10104), (3368, 9285), (3714, 8420), (4210, 7428), (4952, 6315), (5052, 6190)]