About the Number

13880640

13880639 ← → 13880641

2進数表記:110100111100110101000000

漢数字表記:千三百八十八万六百四十

素因数分解:

2 6 × 3 1 × 5 1 × 19 1 × 761 1

素因数の和:800
約数の個数: 112
約数和(自身を含む): 46451520
約数和(自身を除く): 32570880

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 456, 480, 570, 608, 760, 761, 912, 960, 1140, 1216, 1520, 1522, 1824, 2280, 2283, 3040, 3044, 3648, 3805, 4560, 4566, 6080, 6088, 7610, 9120, 9132, 11415, 12176, 14459, 15220, 18240, 18264, 22830, 24352, 28918, 30440, 36528, 43377, 45660, 48704, 57836, 60880, 72295, 73056, 86754, 91320, 115672, 121760, 144590, 146112, 173508, 182640, 216885, 231344, 243520, 289180, 347016, 365280, 433770, 462688, 578360, 694032, 730560, 867540, 925376, 1156720, 1388064, 1735080, 2313440, 2776128, 3470160, 4626880, 6940320, 13880640]

約数ペア:
[(1, 13880640), (2, 6940320), (3, 4626880), (4, 3470160), (5, 2776128), (6, 2313440), (8, 1735080), (10, 1388064), (12, 1156720), (15, 925376), (16, 867540), (19, 730560), (20, 694032), (24, 578360), (30, 462688), (32, 433770), (38, 365280), (40, 347016), (48, 289180), (57, 243520), (60, 231344), (64, 216885), (76, 182640), (80, 173508), (95, 146112), (96, 144590), (114, 121760), (120, 115672), (152, 91320), (160, 86754), (190, 73056), (192, 72295), (228, 60880), (240, 57836), (285, 48704), (304, 45660), (320, 43377), (380, 36528), (456, 30440), (480, 28918), (570, 24352), (608, 22830), (760, 18264), (761, 18240), (912, 15220), (960, 14459), (1140, 12176), (1216, 11415), (1520, 9132), (1522, 9120), (1824, 7610), (2280, 6088), (2283, 6080), (3040, 4566), (3044, 4560), (3648, 3805)]

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