About the Number

121381440

121381439 ← → 121381441

2進数表記:111001111000010001001000000

漢数字表記:一億二千百三十八万千四百四十

素因数分解:

2 6 × 3 1 × 5 1 × 227 1 × 557 1

素因数の和:804
約数の個数: 112
約数和(自身を含む): 387778752
約数和(自身を除く): 266397312

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 227, 240, 320, 454, 480, 557, 681, 908, 960, 1114, 1135, 1362, 1671, 1816, 2228, 2270, 2724, 2785, 3342, 3405, 3632, 4456, 4540, 5448, 5570, 6684, 6810, 7264, 8355, 8912, 9080, 10896, 11140, 13368, 13620, 14528, 16710, 17824, 18160, 21792, 22280, 26736, 27240, 33420, 35648, 36320, 43584, 44560, 53472, 54480, 66840, 72640, 89120, 106944, 108960, 126439, 133680, 178240, 217920, 252878, 267360, 379317, 505756, 534720, 632195, 758634, 1011512, 1264390, 1517268, 1896585, 2023024, 2528780, 3034536, 3793170, 4046048, 5057560, 6069072, 7586340, 8092096, 10115120, 12138144, 15172680, 20230240, 24276288, 30345360, 40460480, 60690720, 121381440]

約数ペア:
[(1, 121381440), (2, 60690720), (3, 40460480), (4, 30345360), (5, 24276288), (6, 20230240), (8, 15172680), (10, 12138144), (12, 10115120), (15, 8092096), (16, 7586340), (20, 6069072), (24, 5057560), (30, 4046048), (32, 3793170), (40, 3034536), (48, 2528780), (60, 2023024), (64, 1896585), (80, 1517268), (96, 1264390), (120, 1011512), (160, 758634), (192, 632195), (227, 534720), (240, 505756), (320, 379317), (454, 267360), (480, 252878), (557, 217920), (681, 178240), (908, 133680), (960, 126439), (1114, 108960), (1135, 106944), (1362, 89120), (1671, 72640), (1816, 66840), (2228, 54480), (2270, 53472), (2724, 44560), (2785, 43584), (3342, 36320), (3405, 35648), (3632, 33420), (4456, 27240), (4540, 26736), (5448, 22280), (5570, 21792), (6684, 18160), (6810, 17824), (7264, 16710), (8355, 14528), (8912, 13620), (9080, 13368), (10896, 11140)]

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