About the Number

121685040

121685039 ← → 121685041

2進数表記:111010000001100010000110000

漢数字表記:一億二千百六十八万五千四十

素因数分解:

2 4 × 3 2 × 5 1 × 169007 1

素因数の和:169026
約数の個数: 60
約数和(自身を含む): 408661344
約数和(自身を除く): 286976304

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 169007, 338014, 507021, 676028, 845035, 1014042, 1352056, 1521063, 1690070, 2028084, 2535105, 2704112, 3042126, 3380140, 4056168, 5070210, 6084252, 6760280, 7605315, 8112336, 10140420, 12168504, 13520560, 15210630, 20280840, 24337008, 30421260, 40561680, 60842520, 121685040]

約数ペア:
[(1, 121685040), (2, 60842520), (3, 40561680), (4, 30421260), (5, 24337008), (6, 20280840), (8, 15210630), (9, 13520560), (10, 12168504), (12, 10140420), (15, 8112336), (16, 7605315), (18, 6760280), (20, 6084252), (24, 5070210), (30, 4056168), (36, 3380140), (40, 3042126), (45, 2704112), (48, 2535105), (60, 2028084), (72, 1690070), (80, 1521063), (90, 1352056), (120, 1014042), (144, 845035), (180, 676028), (240, 507021), (360, 338014), (720, 169007)]

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