About the Number

129138480

129138479 ← → 129138481

2進数表記:111101100100111111100110000

漢数字表記:一億二千九百十三万八千四百八十

素因数分解:

2 4 × 3 2 × 5 1 × 67 1 × 2677 1

素因数の和:2763
約数の個数: 120
約数和(自身を含む): 440327472
約数和(自身を除く): 311188992

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 67, 72, 80, 90, 120, 134, 144, 180, 201, 240, 268, 335, 360, 402, 536, 603, 670, 720, 804, 1005, 1072, 1206, 1340, 1608, 2010, 2412, 2677, 2680, 3015, 3216, 4020, 4824, 5354, 5360, 6030, 8031, 8040, 9648, 10708, 12060, 13385, 16062, 16080, 21416, 24093, 24120, 26770, 32124, 40155, 42832, 48186, 48240, 53540, 64248, 80310, 96372, 107080, 120465, 128496, 160620, 179359, 192744, 214160, 240930, 321240, 358718, 385488, 481860, 538077, 642480, 717436, 896795, 963720, 1076154, 1434872, 1614231, 1793590, 1927440, 2152308, 2690385, 2869744, 3228462, 3587180, 4304616, 5380770, 6456924, 7174360, 8071155, 8609232, 10761540, 12913848, 14348720, 16142310, 21523080, 25827696, 32284620, 43046160, 64569240, 129138480]

約数ペア:
[(1, 129138480), (2, 64569240), (3, 43046160), (4, 32284620), (5, 25827696), (6, 21523080), (8, 16142310), (9, 14348720), (10, 12913848), (12, 10761540), (15, 8609232), (16, 8071155), (18, 7174360), (20, 6456924), (24, 5380770), (30, 4304616), (36, 3587180), (40, 3228462), (45, 2869744), (48, 2690385), (60, 2152308), (67, 1927440), (72, 1793590), (80, 1614231), (90, 1434872), (120, 1076154), (134, 963720), (144, 896795), (180, 717436), (201, 642480), (240, 538077), (268, 481860), (335, 385488), (360, 358718), (402, 321240), (536, 240930), (603, 214160), (670, 192744), (720, 179359), (804, 160620), (1005, 128496), (1072, 120465), (1206, 107080), (1340, 96372), (1608, 80310), (2010, 64248), (2412, 53540), (2677, 48240), (2680, 48186), (3015, 42832), (3216, 40155), (4020, 32124), (4824, 26770), (5354, 24120), (5360, 24093), (6030, 21416), (8031, 16080), (8040, 16062), (9648, 13385), (10708, 12060)]

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