About the Number

121189920

121189919 ← → 121189921

2進数表記:111001110010011011000100000

漢数字表記:一億二千百十八万九千九百二十

素因数分解:

2 5 × 3 1 × 5 1 × 61 1 × 4139 1

素因数の和:4218
約数の個数: 96
約数和(自身を含む): 388100160
約数和(自身を除く): 266910240

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 80, 96, 120, 122, 160, 183, 240, 244, 305, 366, 480, 488, 610, 732, 915, 976, 1220, 1464, 1830, 1952, 2440, 2928, 3660, 4139, 4880, 5856, 7320, 8278, 9760, 12417, 14640, 16556, 20695, 24834, 29280, 33112, 41390, 49668, 62085, 66224, 82780, 99336, 124170, 132448, 165560, 198672, 248340, 252479, 331120, 397344, 496680, 504958, 662240, 757437, 993360, 1009916, 1262395, 1514874, 1986720, 2019832, 2524790, 3029748, 3787185, 4039664, 5049580, 6059496, 7574370, 8079328, 10099160, 12118992, 15148740, 20198320, 24237984, 30297480, 40396640, 60594960, 121189920]

約数ペア:
[(1, 121189920), (2, 60594960), (3, 40396640), (4, 30297480), (5, 24237984), (6, 20198320), (8, 15148740), (10, 12118992), (12, 10099160), (15, 8079328), (16, 7574370), (20, 6059496), (24, 5049580), (30, 4039664), (32, 3787185), (40, 3029748), (48, 2524790), (60, 2019832), (61, 1986720), (80, 1514874), (96, 1262395), (120, 1009916), (122, 993360), (160, 757437), (183, 662240), (240, 504958), (244, 496680), (305, 397344), (366, 331120), (480, 252479), (488, 248340), (610, 198672), (732, 165560), (915, 132448), (976, 124170), (1220, 99336), (1464, 82780), (1830, 66224), (1952, 62085), (2440, 49668), (2928, 41390), (3660, 33112), (4139, 29280), (4880, 24834), (5856, 20695), (7320, 16556), (8278, 14640), (9760, 12417)]

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