201776880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1997}}^1$

素因数の和:2434

約数の個数: 80

約数和(自身を含む): 627308064

約数和(自身を除く): 425531184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 421, 842, 1263, 1684, 1997, 2105, 2526, 3368, 3994, 4210, 5052, 5991, 6315, 6736, 7988, 8420, 9985, 10104, 11982, 12630, 15976, 16840, 19970, 20208, 23964, 25260, 29955, 31952, 33680, 39940, 47928, 50520, 59910, 79880, 95856, 101040, 119820, 159760, 239640, 479280, 840737, 1681474, 2522211, 3362948, 4203685, 5044422, 6725896, 8407370, 10088844, 12611055, 13451792, 16814740, 20177688, 25222110, 33629480, 40355376, 50444220, 67258960, 100888440, 201776880]

約数ペア:

[(1, 201776880), (2, 100888440), (3, 67258960), (4, 50444220), (5, 40355376), (6, 33629480), (8, 25222110), (10, 20177688), (12, 16814740), (15, 13451792), (16, 12611055), (20, 10088844), (24, 8407370), (30, 6725896), (40, 5044422), (48, 4203685), (60, 3362948), (80, 2522211), (120, 1681474), (240, 840737), (421, 479280), (842, 239640), (1263, 159760), (1684, 119820), (1997, 101040), (2105, 95856), (2526, 79880), (3368, 59910), (3994, 50520), (4210, 47928), (5052, 39940), (5991, 33680), (6315, 31952), (6736, 29955), (7988, 25260), (8420, 23964), (9985, 20208), (10104, 19970), (11982, 16840), (12630, 15976)]