About the Number

31042080

31042079 ← → 31042081

2進数表記:1110110011010101000100000

漢数字表記:三千百四万二千八十

素因数分解:

2 5 × 3 2 × 5 1 × 21557 1

素因数の和:21578
約数の個数: 72
約数和(自身を含む): 105936012
約数和(自身を除く): 74893932

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 21557, 43114, 64671, 86228, 107785, 129342, 172456, 194013, 215570, 258684, 323355, 344912, 388026, 431140, 517368, 646710, 689824, 776052, 862280, 970065, 1034736, 1293420, 1552104, 1724560, 1940130, 2069472, 2586840, 3104208, 3449120, 3880260, 5173680, 6208416, 7760520, 10347360, 15521040, 31042080]

約数ペア:
[(1, 31042080), (2, 15521040), (3, 10347360), (4, 7760520), (5, 6208416), (6, 5173680), (8, 3880260), (9, 3449120), (10, 3104208), (12, 2586840), (15, 2069472), (16, 1940130), (18, 1724560), (20, 1552104), (24, 1293420), (30, 1034736), (32, 970065), (36, 862280), (40, 776052), (45, 689824), (48, 646710), (60, 517368), (72, 431140), (80, 388026), (90, 344912), (96, 323355), (120, 258684), (144, 215570), (160, 194013), (180, 172456), (240, 129342), (288, 107785), (360, 86228), (480, 64671), (720, 43114), (1440, 21557)]

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