About the Number

72742440

72742439 ← → 72742441

2進数表記:100010101011111011000101000

漢数字表記:七千二百七十四万二千四百四十

素因数分解:

2 3 × 3 1 × 5 1 × 29 1 × 20903 1

素因数の和:20946
約数の個数: 64
約数和(自身を含む): 225763200
約数和(自身を除く): 153020760

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 20903, 41806, 62709, 83612, 104515, 125418, 167224, 209030, 250836, 313545, 418060, 501672, 606187, 627090, 836120, 1212374, 1254180, 1818561, 2424748, 2508360, 3030935, 3637122, 4849496, 6061870, 7274244, 9092805, 12123740, 14548488, 18185610, 24247480, 36371220, 72742440]

約数ペア:
[(1, 72742440), (2, 36371220), (3, 24247480), (4, 18185610), (5, 14548488), (6, 12123740), (8, 9092805), (10, 7274244), (12, 6061870), (15, 4849496), (20, 3637122), (24, 3030935), (29, 2508360), (30, 2424748), (40, 1818561), (58, 1254180), (60, 1212374), (87, 836120), (116, 627090), (120, 606187), (145, 501672), (174, 418060), (232, 313545), (290, 250836), (348, 209030), (435, 167224), (580, 125418), (696, 104515), (870, 83612), (1160, 62709), (1740, 41806), (3480, 20903)]

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