About the Number

1270880

1270879 ← → 1270881

2進数表記:100110110010001100000

漢数字表記:百二十七万八百八十

素因数分解:

2 5 × 5 1 × 13 2 × 47 1

素因数の和:88
約数の個数: 72
約数和(自身を含む): 3320352
約数和(自身を除く): 2049472

約数列:
[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 65, 80, 94, 104, 130, 160, 169, 188, 208, 235, 260, 338, 376, 416, 470, 520, 611, 676, 752, 845, 940, 1040, 1222, 1352, 1504, 1690, 1880, 2080, 2444, 2704, 3055, 3380, 3760, 4888, 5408, 6110, 6760, 7520, 7943, 9776, 12220, 13520, 15886, 19552, 24440, 27040, 31772, 39715, 48880, 63544, 79430, 97760, 127088, 158860, 254176, 317720, 635440, 1270880]

約数ペア:
[(1, 1270880), (2, 635440), (4, 317720), (5, 254176), (8, 158860), (10, 127088), (13, 97760), (16, 79430), (20, 63544), (26, 48880), (32, 39715), (40, 31772), (47, 27040), (52, 24440), (65, 19552), (80, 15886), (94, 13520), (104, 12220), (130, 9776), (160, 7943), (169, 7520), (188, 6760), (208, 6110), (235, 5408), (260, 4888), (338, 3760), (376, 3380), (416, 3055), (470, 2704), (520, 2444), (611, 2080), (676, 1880), (752, 1690), (845, 1504), (940, 1352), (1040, 1222)]

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