About the Number

129910320

129910319 ← → 129910321

2進数表記:111101111100100011000110000

漢数字表記:一億二千九百九十一万三百二十

素因数分解:

2 4 × 3 2 × 5 1 × 67 1 × 2693 1

素因数の和:2779
約数の個数: 120
約数和(自身を含む): 442958256
約数和(自身を除く): 313047936

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, 2680, 2693, 3015, 3216, 4020, 4824, 5360, 5386, 6030, 8040, 8079, 9648, 10772, 12060, 13465, 16080, 16158, 21544, 24120, 24237, 26930, 32316, 40395, 43088, 48240, 48474, 53860, 64632, 80790, 96948, 107720, 121185, 129264, 161580, 180431, 193896, 215440, 242370, 323160, 360862, 387792, 484740, 541293, 646320, 721724, 902155, 969480, 1082586, 1443448, 1623879, 1804310, 1938960, 2165172, 2706465, 2886896, 3247758, 3608620, 4330344, 5412930, 6495516, 7217240, 8119395, 8660688, 10825860, 12991032, 14434480, 16238790, 21651720, 25982064, 32477580, 43303440, 64955160, 129910320]

約数ペア:
[(1, 129910320), (2, 64955160), (3, 43303440), (4, 32477580), (5, 25982064), (6, 21651720), (8, 16238790), (9, 14434480), (10, 12991032), (12, 10825860), (15, 8660688), (16, 8119395), (18, 7217240), (20, 6495516), (24, 5412930), (30, 4330344), (36, 3608620), (40, 3247758), (45, 2886896), (48, 2706465), (60, 2165172), (67, 1938960), (72, 1804310), (80, 1623879), (90, 1443448), (120, 1082586), (134, 969480), (144, 902155), (180, 721724), (201, 646320), (240, 541293), (268, 484740), (335, 387792), (360, 360862), (402, 323160), (536, 242370), (603, 215440), (670, 193896), (720, 180431), (804, 161580), (1005, 129264), (1072, 121185), (1206, 107720), (1340, 96948), (1608, 80790), (2010, 64632), (2412, 53860), (2680, 48474), (2693, 48240), (3015, 43088), (3216, 40395), (4020, 32316), (4824, 26930), (5360, 24237), (5386, 24120), (6030, 21544), (8040, 16158), (8079, 16080), (9648, 13465), (10772, 12060)]

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