68379920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5309}}^1$

素因数の和:5352

約数の個数: 80

約数和(自身を含む): 189630720

約数和(自身を除く): 121250800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 5309, 6440, 10618, 12880, 21236, 26545, 37163, 42472, 53090, 74326, 84944, 106180, 122107, 148652, 185815, 212360, 244214, 297304, 371630, 424720, 488428, 594608, 610535, 743260, 854749, 976856, 1221070, 1486520, 1709498, 1953712, 2442140, 2973040, 3418996, 4273745, 4884280, 6837992, 8547490, 9768560, 13675984, 17094980, 34189960, 68379920]

約数ペア:

[(1, 68379920), (2, 34189960), (4, 17094980), (5, 13675984), (7, 9768560), (8, 8547490), (10, 6837992), (14, 4884280), (16, 4273745), (20, 3418996), (23, 2973040), (28, 2442140), (35, 1953712), (40, 1709498), (46, 1486520), (56, 1221070), (70, 976856), (80, 854749), (92, 743260), (112, 610535), (115, 594608), (140, 488428), (161, 424720), (184, 371630), (230, 297304), (280, 244214), (322, 212360), (368, 185815), (460, 148652), (560, 122107), (644, 106180), (805, 84944), (920, 74326), (1288, 53090), (1610, 42472), (1840, 37163), (2576, 26545), (3220, 21236), (5309, 12880), (6440, 10618)]