About the Number

121239180

121239179 ← → 121239181

2進数表記:111001110011111011010001100

漢数字表記:一億二千百二十三万九千百八十

素因数分解:

2 2 × 3 4 × 5 1 × 67 1 × 1117 1

素因数の和:1205
約数の個数: 120
約数和(自身を含む): 386353968
約数和(自身を除く): 265114788

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 67, 81, 90, 108, 134, 135, 162, 180, 201, 268, 270, 324, 335, 402, 405, 540, 603, 670, 804, 810, 1005, 1117, 1206, 1340, 1620, 1809, 2010, 2234, 2412, 3015, 3351, 3618, 4020, 4468, 5427, 5585, 6030, 6702, 7236, 9045, 10053, 10854, 11170, 12060, 13404, 16755, 18090, 20106, 21708, 22340, 27135, 30159, 33510, 36180, 40212, 50265, 54270, 60318, 67020, 74839, 90477, 100530, 108540, 120636, 149678, 150795, 180954, 201060, 224517, 299356, 301590, 361908, 374195, 449034, 452385, 603180, 673551, 748390, 898068, 904770, 1122585, 1347102, 1496780, 1809540, 2020653, 2245170, 2694204, 3367755, 4041306, 4490340, 6061959, 6735510, 8082612, 10103265, 12123918, 13471020, 20206530, 24247836, 30309795, 40413060, 60619590, 121239180]

約数ペア:
[(1, 121239180), (2, 60619590), (3, 40413060), (4, 30309795), (5, 24247836), (6, 20206530), (9, 13471020), (10, 12123918), (12, 10103265), (15, 8082612), (18, 6735510), (20, 6061959), (27, 4490340), (30, 4041306), (36, 3367755), (45, 2694204), (54, 2245170), (60, 2020653), (67, 1809540), (81, 1496780), (90, 1347102), (108, 1122585), (134, 904770), (135, 898068), (162, 748390), (180, 673551), (201, 603180), (268, 452385), (270, 449034), (324, 374195), (335, 361908), (402, 301590), (405, 299356), (540, 224517), (603, 201060), (670, 180954), (804, 150795), (810, 149678), (1005, 120636), (1117, 108540), (1206, 100530), (1340, 90477), (1620, 74839), (1809, 67020), (2010, 60318), (2234, 54270), (2412, 50265), (3015, 40212), (3351, 36180), (3618, 33510), (4020, 30159), (4468, 27135), (5427, 22340), (5585, 21708), (6030, 20106), (6702, 18090), (7236, 16755), (9045, 13404), (10053, 12060), (10854, 11170)]

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