About the Number

71921280

71921279 ← → 71921281

2進数表記:100010010010110111010000000

漢数字表記:七千百九十二万千二百八十

素因数分解:

2 7 × 3 1 × 5 1 × 47 1 × 797 1

素因数の和:866
約数の個数: 128
約数和(自身を含む): 234420480
約数和(自身を除く): 162499200

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 64, 80, 94, 96, 120, 128, 141, 160, 188, 192, 235, 240, 282, 320, 376, 384, 470, 480, 564, 640, 705, 752, 797, 940, 960, 1128, 1410, 1504, 1594, 1880, 1920, 2256, 2391, 2820, 3008, 3188, 3760, 3985, 4512, 4782, 5640, 6016, 6376, 7520, 7970, 9024, 9564, 11280, 11955, 12752, 15040, 15940, 18048, 19128, 22560, 23910, 25504, 30080, 31880, 37459, 38256, 45120, 47820, 51008, 63760, 74918, 76512, 90240, 95640, 102016, 112377, 127520, 149836, 153024, 187295, 191280, 224754, 255040, 299672, 306048, 374590, 382560, 449508, 510080, 561885, 599344, 749180, 765120, 899016, 1123770, 1198688, 1498360, 1530240, 1798032, 2247540, 2397376, 2996720, 3596064, 4495080, 4794752, 5993440, 7192128, 8990160, 11986880, 14384256, 17980320, 23973760, 35960640, 71921280]

約数ペア:
[(1, 71921280), (2, 35960640), (3, 23973760), (4, 17980320), (5, 14384256), (6, 11986880), (8, 8990160), (10, 7192128), (12, 5993440), (15, 4794752), (16, 4495080), (20, 3596064), (24, 2996720), (30, 2397376), (32, 2247540), (40, 1798032), (47, 1530240), (48, 1498360), (60, 1198688), (64, 1123770), (80, 899016), (94, 765120), (96, 749180), (120, 599344), (128, 561885), (141, 510080), (160, 449508), (188, 382560), (192, 374590), (235, 306048), (240, 299672), (282, 255040), (320, 224754), (376, 191280), (384, 187295), (470, 153024), (480, 149836), (564, 127520), (640, 112377), (705, 102016), (752, 95640), (797, 90240), (940, 76512), (960, 74918), (1128, 63760), (1410, 51008), (1504, 47820), (1594, 45120), (1880, 38256), (1920, 37459), (2256, 31880), (2391, 30080), (2820, 25504), (3008, 23910), (3188, 22560), (3760, 19128), (3985, 18048), (4512, 15940), (4782, 15040), (5640, 12752), (6016, 11955), (6376, 11280), (7520, 9564), (7970, 9024)]

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