About the Number

13285980

13285979 ← → 13285981

2進数表記:110010101011101001011100

漢数字表記:千三百二十八万五千九百八十

素因数分解:

2 2 × 3 2 × 5 1 × 31 1 × 2381 1

素因数の和:2427
約数の個数: 72
約数和(自身を含む): 41618304
約数和(自身を除く): 28332324

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2381, 2790, 4762, 5580, 7143, 9524, 11905, 14286, 21429, 23810, 28572, 35715, 42858, 47620, 71430, 73811, 85716, 107145, 142860, 147622, 214290, 221433, 295244, 369055, 428580, 442866, 664299, 738110, 885732, 1107165, 1328598, 1476220, 2214330, 2657196, 3321495, 4428660, 6642990, 13285980]

約数ペア:
[(1, 13285980), (2, 6642990), (3, 4428660), (4, 3321495), (5, 2657196), (6, 2214330), (9, 1476220), (10, 1328598), (12, 1107165), (15, 885732), (18, 738110), (20, 664299), (30, 442866), (31, 428580), (36, 369055), (45, 295244), (60, 221433), (62, 214290), (90, 147622), (93, 142860), (124, 107145), (155, 85716), (180, 73811), (186, 71430), (279, 47620), (310, 42858), (372, 35715), (465, 28572), (558, 23810), (620, 21429), (930, 14286), (1116, 11905), (1395, 9524), (1860, 7143), (2381, 5580), (2790, 4762)]

このpageの処理時間: 0.0032701492309570312 seconds