About the Number

120830940

120830939 ← → 120830941

2進数表記:111001100111011101111011100

漢数字表記:一億二千八十三万九百四十

素因数分解:

2 2 × 3 4 × 5 1 × 74587 1

素因数の和:74608
約数の個数: 60
約数和(自身を含む): 379056216
約数和(自身を除く): 258225276

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 74587, 149174, 223761, 298348, 372935, 447522, 671283, 745870, 895044, 1118805, 1342566, 1491740, 2013849, 2237610, 2685132, 3356415, 4027698, 4475220, 6041547, 6712830, 8055396, 10069245, 12083094, 13425660, 20138490, 24166188, 30207735, 40276980, 60415470, 120830940]

約数ペア:
[(1, 120830940), (2, 60415470), (3, 40276980), (4, 30207735), (5, 24166188), (6, 20138490), (9, 13425660), (10, 12083094), (12, 10069245), (15, 8055396), (18, 6712830), (20, 6041547), (27, 4475220), (30, 4027698), (36, 3356415), (45, 2685132), (54, 2237610), (60, 2013849), (81, 1491740), (90, 1342566), (108, 1118805), (135, 895044), (162, 745870), (180, 671283), (270, 447522), (324, 372935), (405, 298348), (540, 223761), (810, 149174), (1620, 74587)]

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