About the Number

102720480

102720479 ← → 102720481

2進数表記:110000111110110001111100000

漢数字表記:一億二百七十二万四百八十

素因数分解:

2 5 × 3 1 × 5 1 × 173 1 × 1237 1

素因数の和:1428
約数の個数: 96
約数和(自身を含む): 325702944
約数和(自身を除く): 222982464

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 173, 240, 346, 480, 519, 692, 865, 1038, 1237, 1384, 1730, 2076, 2474, 2595, 2768, 3460, 3711, 4152, 4948, 5190, 5536, 6185, 6920, 7422, 8304, 9896, 10380, 12370, 13840, 14844, 16608, 18555, 19792, 20760, 24740, 27680, 29688, 37110, 39584, 41520, 49480, 59376, 74220, 83040, 98960, 118752, 148440, 197920, 214001, 296880, 428002, 593760, 642003, 856004, 1070005, 1284006, 1712008, 2140010, 2568012, 3210015, 3424016, 4280020, 5136024, 6420030, 6848032, 8560040, 10272048, 12840060, 17120080, 20544096, 25680120, 34240160, 51360240, 102720480]

約数ペア:
[(1, 102720480), (2, 51360240), (3, 34240160), (4, 25680120), (5, 20544096), (6, 17120080), (8, 12840060), (10, 10272048), (12, 8560040), (15, 6848032), (16, 6420030), (20, 5136024), (24, 4280020), (30, 3424016), (32, 3210015), (40, 2568012), (48, 2140010), (60, 1712008), (80, 1284006), (96, 1070005), (120, 856004), (160, 642003), (173, 593760), (240, 428002), (346, 296880), (480, 214001), (519, 197920), (692, 148440), (865, 118752), (1038, 98960), (1237, 83040), (1384, 74220), (1730, 59376), (2076, 49480), (2474, 41520), (2595, 39584), (2768, 37110), (3460, 29688), (3711, 27680), (4152, 24740), (4948, 20760), (5190, 19792), (5536, 18555), (6185, 16608), (6920, 14844), (7422, 13840), (8304, 12370), (9896, 10380)]

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