331089280

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{30431}}^1$

素因数の和:30467

約数の個数: 64

約数和(自身を含む): 838097280

約数和(自身を除く): 507008000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 30431, 60862, 121724, 152155, 243448, 304310, 486896, 517327, 608620, 973792, 1034654, 1217240, 1947584, 2069308, 2434480, 2586635, 3895168, 4138616, 4868960, 5173270, 8277232, 9737920, 10346540, 16554464, 19475840, 20693080, 33108928, 41386160, 66217856, 82772320, 165544640, 331089280]

約数ペア:

[(1, 331089280), (2, 165544640), (4, 82772320), (5, 66217856), (8, 41386160), (10, 33108928), (16, 20693080), (17, 19475840), (20, 16554464), (32, 10346540), (34, 9737920), (40, 8277232), (64, 5173270), (68, 4868960), (80, 4138616), (85, 3895168), (128, 2586635), (136, 2434480), (160, 2069308), (170, 1947584), (272, 1217240), (320, 1034654), (340, 973792), (544, 608620), (640, 517327), (680, 486896), (1088, 304310), (1360, 243448), (2176, 152155), (2720, 121724), (5440, 60862), (10880, 30431)]