About the Number

72788240

72788239 ← → 72788241

2進数表記:100010101101010100100010000

漢数字表記:七千二百七十八万八千二百四十

素因数分解:

2 4 × 5 1 × 7 1 × 19 1 × 6841 1

素因数の和:6880
約数の個数: 80
約数和(自身を含む): 203617920
約数和(自身を除く): 130829680

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 6841, 10640, 13682, 27364, 34205, 47887, 54728, 68410, 95774, 109456, 129979, 136820, 191548, 239435, 259958, 273640, 383096, 478870, 519916, 547280, 649895, 766192, 909853, 957740, 1039832, 1299790, 1819706, 1915480, 2079664, 2599580, 3639412, 3830960, 4549265, 5199160, 7278824, 9098530, 10398320, 14557648, 18197060, 36394120, 72788240]

約数ペア:
[(1, 72788240), (2, 36394120), (4, 18197060), (5, 14557648), (7, 10398320), (8, 9098530), (10, 7278824), (14, 5199160), (16, 4549265), (19, 3830960), (20, 3639412), (28, 2599580), (35, 2079664), (38, 1915480), (40, 1819706), (56, 1299790), (70, 1039832), (76, 957740), (80, 909853), (95, 766192), (112, 649895), (133, 547280), (140, 519916), (152, 478870), (190, 383096), (266, 273640), (280, 259958), (304, 239435), (380, 191548), (532, 136820), (560, 129979), (665, 109456), (760, 95774), (1064, 68410), (1330, 54728), (1520, 47887), (2128, 34205), (2660, 27364), (5320, 13682), (6841, 10640)]

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