About the Number

30317280

30317279 ← → 30317281

2進数表記:1110011101001101011100000

漢数字表記:三千三十一万七千二百八十

素因数分解:

2 5 × 3 1 × 5 1 × 7 2 × 1289 1

素因数の和:1321
約数の個数: 144
約数和(自身を含む): 111177360
約数和(自身を除く): 80860080

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1289, 1470, 1568, 1680, 1960, 2352, 2578, 2940, 3360, 3867, 3920, 4704, 5156, 5880, 6445, 7734, 7840, 9023, 10312, 11760, 12890, 15468, 18046, 19335, 20624, 23520, 25780, 27069, 30936, 36092, 38670, 41248, 45115, 51560, 54138, 61872, 63161, 72184, 77340, 90230, 103120, 108276, 123744, 126322, 135345, 144368, 154680, 180460, 189483, 206240, 216552, 252644, 270690, 288736, 309360, 315805, 360920, 378966, 433104, 505288, 541380, 618720, 631610, 721840, 757932, 866208, 947415, 1010576, 1082760, 1263220, 1443680, 1515864, 1894830, 2021152, 2165520, 2526440, 3031728, 3789660, 4331040, 5052880, 6063456, 7579320, 10105760, 15158640, 30317280]

約数ペア:
[(1, 30317280), (2, 15158640), (3, 10105760), (4, 7579320), (5, 6063456), (6, 5052880), (7, 4331040), (8, 3789660), (10, 3031728), (12, 2526440), (14, 2165520), (15, 2021152), (16, 1894830), (20, 1515864), (21, 1443680), (24, 1263220), (28, 1082760), (30, 1010576), (32, 947415), (35, 866208), (40, 757932), (42, 721840), (48, 631610), (49, 618720), (56, 541380), (60, 505288), (70, 433104), (80, 378966), (84, 360920), (96, 315805), (98, 309360), (105, 288736), (112, 270690), (120, 252644), (140, 216552), (147, 206240), (160, 189483), (168, 180460), (196, 154680), (210, 144368), (224, 135345), (240, 126322), (245, 123744), (280, 108276), (294, 103120), (336, 90230), (392, 77340), (420, 72184), (480, 63161), (490, 61872), (560, 54138), (588, 51560), (672, 45115), (735, 41248), (784, 38670), (840, 36092), (980, 30936), (1120, 27069), (1176, 25780), (1289, 23520), (1470, 20624), (1568, 19335), (1680, 18046), (1960, 15468), (2352, 12890), (2578, 11760), (2940, 10312), (3360, 9023), (3867, 7840), (3920, 7734), (4704, 6445), (5156, 5880)]

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