About the Number

120878280

120878279 ← → 120878281

2進数表記:111001101000111010011001000

漢数字表記:一億二千八十七万八千二百八十

素因数分解:

2 3 × 3 2 × 5 1 × 467 1 × 719 1

素因数の和:1203
約数の個数: 96
約数和(自身を含む): 394243200
約数和(自身を除く): 273364920

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 467, 719, 934, 1401, 1438, 1868, 2157, 2335, 2802, 2876, 3595, 3736, 4203, 4314, 4670, 5604, 5752, 6471, 7005, 7190, 8406, 8628, 9340, 10785, 11208, 12942, 14010, 14380, 16812, 17256, 18680, 21015, 21570, 25884, 28020, 28760, 32355, 33624, 42030, 43140, 51768, 56040, 64710, 84060, 86280, 129420, 168120, 258840, 335773, 671546, 1007319, 1343092, 1678865, 2014638, 2686184, 3021957, 3357730, 4029276, 5036595, 6043914, 6715460, 8058552, 10073190, 12087828, 13430920, 15109785, 20146380, 24175656, 30219570, 40292760, 60439140, 120878280]

約数ペア:
[(1, 120878280), (2, 60439140), (3, 40292760), (4, 30219570), (5, 24175656), (6, 20146380), (8, 15109785), (9, 13430920), (10, 12087828), (12, 10073190), (15, 8058552), (18, 6715460), (20, 6043914), (24, 5036595), (30, 4029276), (36, 3357730), (40, 3021957), (45, 2686184), (60, 2014638), (72, 1678865), (90, 1343092), (120, 1007319), (180, 671546), (360, 335773), (467, 258840), (719, 168120), (934, 129420), (1401, 86280), (1438, 84060), (1868, 64710), (2157, 56040), (2335, 51768), (2802, 43140), (2876, 42030), (3595, 33624), (3736, 32355), (4203, 28760), (4314, 28020), (4670, 25884), (5604, 21570), (5752, 21015), (6471, 18680), (7005, 17256), (7190, 16812), (8406, 14380), (8628, 14010), (9340, 12942), (10785, 11208)]

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