About the Number

6420680

6420679 ← → 6420681

2進数表記:11000011111100011001000

漢数字表記:六百四十二万六百八十

素因数分解:

2 3 × 5 1 × 7 1 × 23 1 × 997 1

素因数の和:1038
約数の個数: 64
約数和(自身を含む): 17245440
約数和(自身を除く): 10824760

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 997, 1288, 1610, 1994, 3220, 3988, 4985, 6440, 6979, 7976, 9970, 13958, 19940, 22931, 27916, 34895, 39880, 45862, 55832, 69790, 91724, 114655, 139580, 160517, 183448, 229310, 279160, 321034, 458620, 642068, 802585, 917240, 1284136, 1605170, 3210340, 6420680]

約数ペア:
[(1, 6420680), (2, 3210340), (4, 1605170), (5, 1284136), (7, 917240), (8, 802585), (10, 642068), (14, 458620), (20, 321034), (23, 279160), (28, 229310), (35, 183448), (40, 160517), (46, 139580), (56, 114655), (70, 91724), (92, 69790), (115, 55832), (140, 45862), (161, 39880), (184, 34895), (230, 27916), (280, 22931), (322, 19940), (460, 13958), (644, 9970), (805, 7976), (920, 6979), (997, 6440), (1288, 4985), (1610, 3988), (1994, 3220)]

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