About the Number

207488640

207488639 ← → 207488641

2進数表記:1100010111100000011010000000

漢数字表記:二億七百四十八万八千六百四十

素因数分解:

2 7 × 3 1 × 5 1 × 53 1 × 2039 1

素因数の和:2114
約数の個数: 128
約数和(自身を含む): 674179200
約数和(自身を除く): 466690560

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 128, 159, 160, 192, 212, 240, 265, 318, 320, 384, 424, 480, 530, 636, 640, 795, 848, 960, 1060, 1272, 1590, 1696, 1920, 2039, 2120, 2544, 3180, 3392, 4078, 4240, 5088, 6117, 6360, 6784, 8156, 8480, 10176, 10195, 12234, 12720, 16312, 16960, 20352, 20390, 24468, 25440, 30585, 32624, 33920, 40780, 48936, 50880, 61170, 65248, 81560, 97872, 101760, 108067, 122340, 130496, 163120, 195744, 216134, 244680, 260992, 324201, 326240, 391488, 432268, 489360, 540335, 648402, 652480, 782976, 864536, 978720, 1080670, 1296804, 1304960, 1621005, 1729072, 1957440, 2161340, 2593608, 3242010, 3458144, 3914880, 4322680, 5187216, 6484020, 6916288, 8645360, 10374432, 12968040, 13832576, 17290720, 20748864, 25936080, 34581440, 41497728, 51872160, 69162880, 103744320, 207488640]

約数ペア:
[(1, 207488640), (2, 103744320), (3, 69162880), (4, 51872160), (5, 41497728), (6, 34581440), (8, 25936080), (10, 20748864), (12, 17290720), (15, 13832576), (16, 12968040), (20, 10374432), (24, 8645360), (30, 6916288), (32, 6484020), (40, 5187216), (48, 4322680), (53, 3914880), (60, 3458144), (64, 3242010), (80, 2593608), (96, 2161340), (106, 1957440), (120, 1729072), (128, 1621005), (159, 1304960), (160, 1296804), (192, 1080670), (212, 978720), (240, 864536), (265, 782976), (318, 652480), (320, 648402), (384, 540335), (424, 489360), (480, 432268), (530, 391488), (636, 326240), (640, 324201), (795, 260992), (848, 244680), (960, 216134), (1060, 195744), (1272, 163120), (1590, 130496), (1696, 122340), (1920, 108067), (2039, 101760), (2120, 97872), (2544, 81560), (3180, 65248), (3392, 61170), (4078, 50880), (4240, 48936), (5088, 40780), (6117, 33920), (6360, 32624), (6784, 30585), (8156, 25440), (8480, 24468), (10176, 20390), (10195, 20352), (12234, 16960), (12720, 16312)]

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