About the Number

121028256

121028255 ← → 121028257

2進数表記:111001101101011111010100000

漢数字表記:一億二千百二万八千二百五十六

素因数分解:

2 5 × 3 4 × 53 1 × 881 1

素因数の和:956
約数の個数: 120
約数和(自身を含む): 363068244
約数和(自身を除く): 242039988

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 53, 54, 72, 81, 96, 106, 108, 144, 159, 162, 212, 216, 288, 318, 324, 424, 432, 477, 636, 648, 848, 864, 881, 954, 1272, 1296, 1431, 1696, 1762, 1908, 2544, 2592, 2643, 2862, 3524, 3816, 4293, 5088, 5286, 5724, 7048, 7632, 7929, 8586, 10572, 11448, 14096, 15264, 15858, 17172, 21144, 22896, 23787, 28192, 31716, 34344, 42288, 45792, 46693, 47574, 63432, 68688, 71361, 84576, 93386, 95148, 126864, 137376, 140079, 142722, 186772, 190296, 253728, 280158, 285444, 373544, 380592, 420237, 560316, 570888, 747088, 761184, 840474, 1120632, 1141776, 1260711, 1494176, 1680948, 2241264, 2283552, 2521422, 3361896, 3782133, 4482528, 5042844, 6723792, 7564266, 10085688, 13447584, 15128532, 20171376, 30257064, 40342752, 60514128, 121028256]

約数ペア:
[(1, 121028256), (2, 60514128), (3, 40342752), (4, 30257064), (6, 20171376), (8, 15128532), (9, 13447584), (12, 10085688), (16, 7564266), (18, 6723792), (24, 5042844), (27, 4482528), (32, 3782133), (36, 3361896), (48, 2521422), (53, 2283552), (54, 2241264), (72, 1680948), (81, 1494176), (96, 1260711), (106, 1141776), (108, 1120632), (144, 840474), (159, 761184), (162, 747088), (212, 570888), (216, 560316), (288, 420237), (318, 380592), (324, 373544), (424, 285444), (432, 280158), (477, 253728), (636, 190296), (648, 186772), (848, 142722), (864, 140079), (881, 137376), (954, 126864), (1272, 95148), (1296, 93386), (1431, 84576), (1696, 71361), (1762, 68688), (1908, 63432), (2544, 47574), (2592, 46693), (2643, 45792), (2862, 42288), (3524, 34344), (3816, 31716), (4293, 28192), (5088, 23787), (5286, 22896), (5724, 21144), (7048, 17172), (7632, 15858), (7929, 15264), (8586, 14096), (10572, 11448)]

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