30806720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{809}}^1$

素因数の和:850

約数の個数: 112

約数和(自身を含む): 88879680

約数和(自身を除く): 58072960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 544, 560, 595, 680, 809, 952, 1088, 1120, 1190, 1360, 1618, 1904, 2240, 2380, 2720, 3236, 3808, 4045, 4760, 5440, 5663, 6472, 7616, 8090, 9520, 11326, 12944, 13753, 16180, 19040, 22652, 25888, 27506, 28315, 32360, 38080, 45304, 51776, 55012, 56630, 64720, 68765, 90608, 96271, 110024, 113260, 129440, 137530, 181216, 192542, 220048, 226520, 258880, 275060, 362432, 385084, 440096, 453040, 481355, 550120, 770168, 880192, 906080, 962710, 1100240, 1540336, 1812160, 1925420, 2200480, 3080672, 3850840, 4400960, 6161344, 7701680, 15403360, 30806720]

約数ペア:

[(1, 30806720), (2, 15403360), (4, 7701680), (5, 6161344), (7, 4400960), (8, 3850840), (10, 3080672), (14, 2200480), (16, 1925420), (17, 1812160), (20, 1540336), (28, 1100240), (32, 962710), (34, 906080), (35, 880192), (40, 770168), (56, 550120), (64, 481355), (68, 453040), (70, 440096), (80, 385084), (85, 362432), (112, 275060), (119, 258880), (136, 226520), (140, 220048), (160, 192542), (170, 181216), (224, 137530), (238, 129440), (272, 113260), (280, 110024), (320, 96271), (340, 90608), (448, 68765), (476, 64720), (544, 56630), (560, 55012), (595, 51776), (680, 45304), (809, 38080), (952, 32360), (1088, 28315), (1120, 27506), (1190, 25888), (1360, 22652), (1618, 19040), (1904, 16180), (2240, 13753), (2380, 12944), (2720, 11326), (3236, 9520), (3808, 8090), (4045, 7616), (4760, 6472), (5440, 5663)]