About the Number

121291320

121291319 ← → 121291321

2進数表記:111001110101100001000111000

漢数字表記:一億二千百二十九万千三百二十

素因数分解:

2 3 × 3 1 × 5 1 × 677 1 × 1493 1

素因数の和:2184
約数の個数: 64
約数和(自身を含む): 364655520
約数和(自身を除く): 243364200

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 677, 1354, 1493, 2031, 2708, 2986, 3385, 4062, 4479, 5416, 5972, 6770, 7465, 8124, 8958, 10155, 11944, 13540, 14930, 16248, 17916, 20310, 22395, 27080, 29860, 35832, 40620, 44790, 59720, 81240, 89580, 179160, 1010761, 2021522, 3032283, 4043044, 5053805, 6064566, 8086088, 10107610, 12129132, 15161415, 20215220, 24258264, 30322830, 40430440, 60645660, 121291320]

約数ペア:
[(1, 121291320), (2, 60645660), (3, 40430440), (4, 30322830), (5, 24258264), (6, 20215220), (8, 15161415), (10, 12129132), (12, 10107610), (15, 8086088), (20, 6064566), (24, 5053805), (30, 4043044), (40, 3032283), (60, 2021522), (120, 1010761), (677, 179160), (1354, 89580), (1493, 81240), (2031, 59720), (2708, 44790), (2986, 40620), (3385, 35832), (4062, 29860), (4479, 27080), (5416, 22395), (5972, 20310), (6770, 17916), (7465, 16248), (8124, 14930), (8958, 13540), (10155, 11944)]

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