1389210720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{29837}}^1$

素因数の和:29952

約数の個数: 96

約数和(自身を含む): 4421275488

約数和(自身を除く): 3032064768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 97, 120, 160, 194, 240, 291, 388, 480, 485, 582, 776, 970, 1164, 1455, 1552, 1940, 2328, 2910, 3104, 3880, 4656, 5820, 7760, 9312, 11640, 15520, 23280, 29837, 46560, 59674, 89511, 119348, 149185, 179022, 238696, 298370, 358044, 447555, 477392, 596740, 716088, 895110, 954784, 1193480, 1432176, 1790220, 2386960, 2864352, 2894189, 3580440, 4773920, 5788378, 7160880, 8682567, 11576756, 14321760, 14470945, 17365134, 23153512, 28941890, 34730268, 43412835, 46307024, 57883780, 69460536, 86825670, 92614048, 115767560, 138921072, 173651340, 231535120, 277842144, 347302680, 463070240, 694605360, 1389210720]

約数ペア:

[(1, 1389210720), (2, 694605360), (3, 463070240), (4, 347302680), (5, 277842144), (6, 231535120), (8, 173651340), (10, 138921072), (12, 115767560), (15, 92614048), (16, 86825670), (20, 69460536), (24, 57883780), (30, 46307024), (32, 43412835), (40, 34730268), (48, 28941890), (60, 23153512), (80, 17365134), (96, 14470945), (97, 14321760), (120, 11576756), (160, 8682567), (194, 7160880), (240, 5788378), (291, 4773920), (388, 3580440), (480, 2894189), (485, 2864352), (582, 2386960), (776, 1790220), (970, 1432176), (1164, 1193480), (1455, 954784), (1552, 895110), (1940, 716088), (2328, 596740), (2910, 477392), (3104, 447555), (3880, 358044), (4656, 298370), (5820, 238696), (7760, 179022), (9312, 149185), (11640, 119348), (15520, 89511), (23280, 59674), (29837, 46560)]