About the Number

72990072

72990071 ← → 72990073

2進数表記:100010110011011110101111000

漢数字表記:七千二百九十九万七十二

素因数分解:

2 3 × 3 4 × 73 1 × 1543 1

素因数の和:1634
約数の個数: 80
約数和(自身を含む): 207374640
約数和(自身を除く): 134384568

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 73, 81, 108, 146, 162, 216, 219, 292, 324, 438, 584, 648, 657, 876, 1314, 1543, 1752, 1971, 2628, 3086, 3942, 4629, 5256, 5913, 6172, 7884, 9258, 11826, 12344, 13887, 15768, 18516, 23652, 27774, 37032, 41661, 47304, 55548, 83322, 111096, 112639, 124983, 166644, 225278, 249966, 333288, 337917, 450556, 499932, 675834, 901112, 999864, 1013751, 1351668, 2027502, 2703336, 3041253, 4055004, 6082506, 8110008, 9123759, 12165012, 18247518, 24330024, 36495036, 72990072]

約数ペア:
[(1, 72990072), (2, 36495036), (3, 24330024), (4, 18247518), (6, 12165012), (8, 9123759), (9, 8110008), (12, 6082506), (18, 4055004), (24, 3041253), (27, 2703336), (36, 2027502), (54, 1351668), (72, 1013751), (73, 999864), (81, 901112), (108, 675834), (146, 499932), (162, 450556), (216, 337917), (219, 333288), (292, 249966), (324, 225278), (438, 166644), (584, 124983), (648, 112639), (657, 111096), (876, 83322), (1314, 55548), (1543, 47304), (1752, 41661), (1971, 37032), (2628, 27774), (3086, 23652), (3942, 18516), (4629, 15768), (5256, 13887), (5913, 12344), (6172, 11826), (7884, 9258)]

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