About the Number

115440

115439 ← → 115441

2進数表記:11100001011110000

漢数字表記:十一万五千四百四十

素因数分解:

2 4 × 3 1 × 5 1 × 13 1 × 37 1

素因数の和:66
約数の個数: 80
約数和(自身を含む): 395808
約数和(自身を除く): 280368

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 37, 39, 40, 48, 52, 60, 65, 74, 78, 80, 104, 111, 120, 130, 148, 156, 185, 195, 208, 222, 240, 260, 296, 312, 370, 390, 444, 481, 520, 555, 592, 624, 740, 780, 888, 962, 1040, 1110, 1443, 1480, 1560, 1776, 1924, 2220, 2405, 2886, 2960, 3120, 3848, 4440, 4810, 5772, 7215, 7696, 8880, 9620, 11544, 14430, 19240, 23088, 28860, 38480, 57720, 115440]

約数ペア:
[(1, 115440), (2, 57720), (3, 38480), (4, 28860), (5, 23088), (6, 19240), (8, 14430), (10, 11544), (12, 9620), (13, 8880), (15, 7696), (16, 7215), (20, 5772), (24, 4810), (26, 4440), (30, 3848), (37, 3120), (39, 2960), (40, 2886), (48, 2405), (52, 2220), (60, 1924), (65, 1776), (74, 1560), (78, 1480), (80, 1443), (104, 1110), (111, 1040), (120, 962), (130, 888), (148, 780), (156, 740), (185, 624), (195, 592), (208, 555), (222, 520), (240, 481), (260, 444), (296, 390), (312, 370)]

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