About the Number

42738720

42738719 ← → 42738721

2進数表記:10100011000010010000100000

漢数字表記:四千二百七十三万八千七百二十

素因数分解:

2 5 × 3 1 × 5 1 × 269 1 × 331 1

素因数の和:618
約数の個数: 96
約数和(自身を含む): 135535680
約数和(自身を除く): 92796960

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 269, 331, 480, 538, 662, 807, 993, 1076, 1324, 1345, 1614, 1655, 1986, 2152, 2648, 2690, 3228, 3310, 3972, 4035, 4304, 4965, 5296, 5380, 6456, 6620, 7944, 8070, 8608, 9930, 10592, 10760, 12912, 13240, 15888, 16140, 19860, 21520, 25824, 26480, 31776, 32280, 39720, 43040, 52960, 64560, 79440, 89039, 129120, 158880, 178078, 267117, 356156, 445195, 534234, 712312, 890390, 1068468, 1335585, 1424624, 1780780, 2136936, 2671170, 2849248, 3561560, 4273872, 5342340, 7123120, 8547744, 10684680, 14246240, 21369360, 42738720]

約数ペア:
[(1, 42738720), (2, 21369360), (3, 14246240), (4, 10684680), (5, 8547744), (6, 7123120), (8, 5342340), (10, 4273872), (12, 3561560), (15, 2849248), (16, 2671170), (20, 2136936), (24, 1780780), (30, 1424624), (32, 1335585), (40, 1068468), (48, 890390), (60, 712312), (80, 534234), (96, 445195), (120, 356156), (160, 267117), (240, 178078), (269, 158880), (331, 129120), (480, 89039), (538, 79440), (662, 64560), (807, 52960), (993, 43040), (1076, 39720), (1324, 32280), (1345, 31776), (1614, 26480), (1655, 25824), (1986, 21520), (2152, 19860), (2648, 16140), (2690, 15888), (3228, 13240), (3310, 12912), (3972, 10760), (4035, 10592), (4304, 9930), (4965, 8608), (5296, 8070), (5380, 7944), (6456, 6620)]

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