78179700

素因数分解:

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

素因数の和:1057

約数の個数: 72

約数和(自身を含む): 227103520

約数和(自身を除く): 148923820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 421, 619, 842, 1238, 1263, 1684, 1857, 2105, 2476, 2526, 3095, 3714, 4210, 5052, 6190, 6315, 7428, 8420, 9285, 10525, 12380, 12630, 15475, 18570, 21050, 25260, 30950, 31575, 37140, 42100, 46425, 61900, 63150, 92850, 126300, 185700, 260599, 521198, 781797, 1042396, 1302995, 1563594, 2605990, 3127188, 3908985, 5211980, 6514975, 7817970, 13029950, 15635940, 19544925, 26059900, 39089850, 78179700]

約数ペア:

[(1, 78179700), (2, 39089850), (3, 26059900), (4, 19544925), (5, 15635940), (6, 13029950), (10, 7817970), (12, 6514975), (15, 5211980), (20, 3908985), (25, 3127188), (30, 2605990), (50, 1563594), (60, 1302995), (75, 1042396), (100, 781797), (150, 521198), (300, 260599), (421, 185700), (619, 126300), (842, 92850), (1238, 63150), (1263, 61900), (1684, 46425), (1857, 42100), (2105, 37140), (2476, 31575), (2526, 30950), (3095, 25260), (3714, 21050), (4210, 18570), (5052, 15475), (6190, 12630), (6315, 12380), (7428, 10525), (8420, 9285)]