About the Number

72728448

72728447 ← → 72728449

2進数表記:100010101011011111110000000

漢数字表記:七千二百七十二万八千四百四十八

素因数分解:

2 7 × 3 1 × 13 1 × 17 1 × 857 1

素因数の和:904
約数の個数: 128
約数和(自身を含む): 220540320
約数和(自身を除く): 147811872

約数列:
[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 64, 68, 78, 96, 102, 104, 128, 136, 156, 192, 204, 208, 221, 272, 312, 384, 408, 416, 442, 544, 624, 663, 816, 832, 857, 884, 1088, 1248, 1326, 1632, 1664, 1714, 1768, 2176, 2496, 2571, 2652, 3264, 3428, 3536, 4992, 5142, 5304, 6528, 6856, 7072, 10284, 10608, 11141, 13712, 14144, 14569, 20568, 21216, 22282, 27424, 28288, 29138, 33423, 41136, 42432, 43707, 44564, 54848, 58276, 66846, 82272, 84864, 87414, 89128, 109696, 116552, 133692, 164544, 174828, 178256, 189397, 233104, 267384, 329088, 349656, 356512, 378794, 466208, 534768, 568191, 699312, 713024, 757588, 932416, 1069536, 1136382, 1398624, 1426048, 1515176, 1864832, 2139072, 2272764, 2797248, 3030352, 4278144, 4545528, 5594496, 6060704, 9091056, 12121408, 18182112, 24242816, 36364224, 72728448]

約数ペア:
[(1, 72728448), (2, 36364224), (3, 24242816), (4, 18182112), (6, 12121408), (8, 9091056), (12, 6060704), (13, 5594496), (16, 4545528), (17, 4278144), (24, 3030352), (26, 2797248), (32, 2272764), (34, 2139072), (39, 1864832), (48, 1515176), (51, 1426048), (52, 1398624), (64, 1136382), (68, 1069536), (78, 932416), (96, 757588), (102, 713024), (104, 699312), (128, 568191), (136, 534768), (156, 466208), (192, 378794), (204, 356512), (208, 349656), (221, 329088), (272, 267384), (312, 233104), (384, 189397), (408, 178256), (416, 174828), (442, 164544), (544, 133692), (624, 116552), (663, 109696), (816, 89128), (832, 87414), (857, 84864), (884, 82272), (1088, 66846), (1248, 58276), (1326, 54848), (1632, 44564), (1664, 43707), (1714, 42432), (1768, 41136), (2176, 33423), (2496, 29138), (2571, 28288), (2652, 27424), (3264, 22282), (3428, 21216), (3536, 20568), (4992, 14569), (5142, 14144), (5304, 13712), (6528, 11141), (6856, 10608), (7072, 10284)]

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