90334720

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{71}}^2$

素因数の和:172

約数の個数: 120

約数和(自身を含む): 251068752

約数和(自身を除く): 160734032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 160, 224, 256, 280, 284, 320, 355, 448, 497, 512, 560, 568, 640, 710, 896, 994, 1120, 1136, 1280, 1420, 1792, 1988, 2240, 2272, 2485, 2560, 2840, 3584, 3976, 4480, 4544, 4970, 5041, 5680, 7952, 8960, 9088, 9940, 10082, 11360, 15904, 17920, 18176, 19880, 20164, 22720, 25205, 31808, 35287, 36352, 39760, 40328, 45440, 50410, 63616, 70574, 79520, 80656, 90880, 100820, 127232, 141148, 159040, 161312, 176435, 181760, 201640, 254464, 282296, 318080, 322624, 352870, 403280, 564592, 636160, 645248, 705740, 806560, 1129184, 1272320, 1290496, 1411480, 1613120, 2258368, 2580992, 2822960, 3226240, 4516736, 5645920, 6452480, 9033472, 11291840, 12904960, 18066944, 22583680, 45167360, 90334720]

約数ペア:

[(1, 90334720), (2, 45167360), (4, 22583680), (5, 18066944), (7, 12904960), (8, 11291840), (10, 9033472), (14, 6452480), (16, 5645920), (20, 4516736), (28, 3226240), (32, 2822960), (35, 2580992), (40, 2258368), (56, 1613120), (64, 1411480), (70, 1290496), (71, 1272320), (80, 1129184), (112, 806560), (128, 705740), (140, 645248), (142, 636160), (160, 564592), (224, 403280), (256, 352870), (280, 322624), (284, 318080), (320, 282296), (355, 254464), (448, 201640), (497, 181760), (512, 176435), (560, 161312), (568, 159040), (640, 141148), (710, 127232), (896, 100820), (994, 90880), (1120, 80656), (1136, 79520), (1280, 70574), (1420, 63616), (1792, 50410), (1988, 45440), (2240, 40328), (2272, 39760), (2485, 36352), (2560, 35287), (2840, 31808), (3584, 25205), (3976, 22720), (4480, 20164), (4544, 19880), (4970, 18176), (5041, 17920), (5680, 15904), (7952, 11360), (8960, 10082), (9088, 9940)]