About the Number

71268720

71268719 ← → 71268721

2進数表記:100001111110111100101110000

漢数字表記:七千百二十六万八千七百二十

素因数分解:

2 4 × 3 1 × 5 1 × 23 1 × 12911 1

素因数の和:12950
約数の個数: 80
約数和(自身を含む): 230556672
約数和(自身を除く): 159287952

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 12911, 25822, 38733, 51644, 64555, 77466, 103288, 129110, 154932, 193665, 206576, 258220, 296953, 309864, 387330, 516440, 593906, 619728, 774660, 890859, 1032880, 1187812, 1484765, 1549320, 1781718, 2375624, 2969530, 3098640, 3563436, 4454295, 4751248, 5939060, 7126872, 8908590, 11878120, 14253744, 17817180, 23756240, 35634360, 71268720]

約数ペア:
[(1, 71268720), (2, 35634360), (3, 23756240), (4, 17817180), (5, 14253744), (6, 11878120), (8, 8908590), (10, 7126872), (12, 5939060), (15, 4751248), (16, 4454295), (20, 3563436), (23, 3098640), (24, 2969530), (30, 2375624), (40, 1781718), (46, 1549320), (48, 1484765), (60, 1187812), (69, 1032880), (80, 890859), (92, 774660), (115, 619728), (120, 593906), (138, 516440), (184, 387330), (230, 309864), (240, 296953), (276, 258220), (345, 206576), (368, 193665), (460, 154932), (552, 129110), (690, 103288), (920, 77466), (1104, 64555), (1380, 51644), (1840, 38733), (2760, 25822), (5520, 12911)]

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