331840

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:95

約数の個数: 56

約数和(自身を含む): 850392

約数和(自身を除く): 518552

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 61, 64, 68, 80, 85, 122, 136, 160, 170, 244, 272, 305, 320, 340, 488, 544, 610, 680, 976, 1037, 1088, 1220, 1360, 1952, 2074, 2440, 2720, 3904, 4148, 4880, 5185, 5440, 8296, 9760, 10370, 16592, 19520, 20740, 33184, 41480, 66368, 82960, 165920, 331840]

約数ペア:

[(1, 331840), (2, 165920), (4, 82960), (5, 66368), (8, 41480), (10, 33184), (16, 20740), (17, 19520), (20, 16592), (32, 10370), (34, 9760), (40, 8296), (61, 5440), (64, 5185), (68, 4880), (80, 4148), (85, 3904), (122, 2720), (136, 2440), (160, 2074), (170, 1952), (244, 1360), (272, 1220), (305, 1088), (320, 1037), (340, 976), (488, 680), (544, 610)]