About the Number

381158640

381158639 ← → 381158641

2進数表記:10110101110000000010011110000

漢数字表記:三億八千百十五万八千六百四十

素因数分解:

2 4 × 3 2 × 5 1 × 31 1 × 17077 1

素因数の和:17127
約数の個数: 120
約数和(自身を含む): 1321427328
約数和(自身を除く): 940268688

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 17077, 22320, 34154, 51231, 68308, 85385, 102462, 136616, 153693, 170770, 204924, 256155, 273232, 307386, 341540, 409848, 512310, 529387, 614772, 683080, 768465, 819696, 1024620, 1058774, 1229544, 1366160, 1536930, 1588161, 2049240, 2117548, 2459088, 2646935, 3073860, 3176322, 4098480, 4235096, 4764483, 5293870, 6147720, 6352644, 7940805, 8470192, 9528966, 10587740, 12295440, 12705288, 15881610, 19057932, 21175480, 23822415, 25410576, 31763220, 38115864, 42350960, 47644830, 63526440, 76231728, 95289660, 127052880, 190579320, 381158640]

約数ペア:
[(1, 381158640), (2, 190579320), (3, 127052880), (4, 95289660), (5, 76231728), (6, 63526440), (8, 47644830), (9, 42350960), (10, 38115864), (12, 31763220), (15, 25410576), (16, 23822415), (18, 21175480), (20, 19057932), (24, 15881610), (30, 12705288), (31, 12295440), (36, 10587740), (40, 9528966), (45, 8470192), (48, 7940805), (60, 6352644), (62, 6147720), (72, 5293870), (80, 4764483), (90, 4235096), (93, 4098480), (120, 3176322), (124, 3073860), (144, 2646935), (155, 2459088), (180, 2117548), (186, 2049240), (240, 1588161), (248, 1536930), (279, 1366160), (310, 1229544), (360, 1058774), (372, 1024620), (465, 819696), (496, 768465), (558, 683080), (620, 614772), (720, 529387), (744, 512310), (930, 409848), (1116, 341540), (1240, 307386), (1395, 273232), (1488, 256155), (1860, 204924), (2232, 170770), (2480, 153693), (2790, 136616), (3720, 102462), (4464, 85385), (5580, 68308), (7440, 51231), (11160, 34154), (17077, 22320)]

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