About the Number

12918240

12918239 ← → 12918241

2進数表記:110001010001110111100000

漢数字表記:千二百九十一万八千二百四十

素因数分解:

2 5 × 3 2 × 5 1 × 8971 1

素因数の和:8992
約数の個数: 72
約数和(自身を含む): 44088408
約数和(自身を除く): 31170168

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, 8971, 17942, 26913, 35884, 44855, 53826, 71768, 80739, 89710, 107652, 134565, 143536, 161478, 179420, 215304, 269130, 287072, 322956, 358840, 403695, 430608, 538260, 645912, 717680, 807390, 861216, 1076520, 1291824, 1435360, 1614780, 2153040, 2583648, 3229560, 4306080, 6459120, 12918240]

約数ペア:
[(1, 12918240), (2, 6459120), (3, 4306080), (4, 3229560), (5, 2583648), (6, 2153040), (8, 1614780), (9, 1435360), (10, 1291824), (12, 1076520), (15, 861216), (16, 807390), (18, 717680), (20, 645912), (24, 538260), (30, 430608), (32, 403695), (36, 358840), (40, 322956), (45, 287072), (48, 269130), (60, 215304), (72, 179420), (80, 161478), (90, 143536), (96, 134565), (120, 107652), (144, 89710), (160, 80739), (180, 71768), (240, 53826), (288, 44855), (360, 35884), (480, 26913), (720, 17942), (1440, 8971)]

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