About the Number

1681020

1681019 ← → 1681021

2進数表記:110011010011001111100

漢数字表記:百六十八万千二十

素因数分解:

2 2 × 3 3 × 5 1 × 11 1 × 283 1

素因数の和:312
約数の個数: 96
約数和(自身を含む): 5725440
約数和(自身を除く): 4044420

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 270, 283, 297, 330, 396, 495, 540, 566, 594, 660, 849, 990, 1132, 1188, 1415, 1485, 1698, 1980, 2547, 2830, 2970, 3113, 3396, 4245, 5094, 5660, 5940, 6226, 7641, 8490, 9339, 10188, 12452, 12735, 15282, 15565, 16980, 18678, 25470, 28017, 30564, 31130, 37356, 38205, 46695, 50940, 56034, 62260, 76410, 84051, 93390, 112068, 140085, 152820, 168102, 186780, 280170, 336204, 420255, 560340, 840510, 1681020]

約数ペア:
[(1, 1681020), (2, 840510), (3, 560340), (4, 420255), (5, 336204), (6, 280170), (9, 186780), (10, 168102), (11, 152820), (12, 140085), (15, 112068), (18, 93390), (20, 84051), (22, 76410), (27, 62260), (30, 56034), (33, 50940), (36, 46695), (44, 38205), (45, 37356), (54, 31130), (55, 30564), (60, 28017), (66, 25470), (90, 18678), (99, 16980), (108, 15565), (110, 15282), (132, 12735), (135, 12452), (165, 10188), (180, 9339), (198, 8490), (220, 7641), (270, 6226), (283, 5940), (297, 5660), (330, 5094), (396, 4245), (495, 3396), (540, 3113), (566, 2970), (594, 2830), (660, 2547), (849, 1980), (990, 1698), (1132, 1485), (1188, 1415)]

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