89380480

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:378

約数の個数: 128

約数和(自身を含む): 248520960

約数和(自身を除く): 159140480

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, 280, 281, 284, 320, 355, 448, 497, 560, 562, 568, 640, 710, 896, 994, 1120, 1124, 1136, 1405, 1420, 1967, 1988, 2240, 2248, 2272, 2485, 2810, 2840, 3934, 3976, 4480, 4496, 4544, 4970, 5620, 5680, 7868, 7952, 8992, 9088, 9835, 9940, 11240, 11360, 15736, 15904, 17984, 19670, 19880, 19951, 22480, 22720, 31472, 31808, 35968, 39340, 39760, 39902, 44960, 45440, 62944, 63616, 78680, 79520, 79804, 89920, 99755, 125888, 139657, 157360, 159040, 159608, 179840, 199510, 251776, 279314, 314720, 318080, 319216, 399020, 558628, 629440, 638432, 698285, 798040, 1117256, 1258880, 1276864, 1396570, 1596080, 2234512, 2553728, 2793140, 3192160, 4469024, 5586280, 6384320, 8938048, 11172560, 12768640, 17876096, 22345120, 44690240, 89380480]

約数ペア:

[(1, 89380480), (2, 44690240), (4, 22345120), (5, 17876096), (7, 12768640), (8, 11172560), (10, 8938048), (14, 6384320), (16, 5586280), (20, 4469024), (28, 3192160), (32, 2793140), (35, 2553728), (40, 2234512), (56, 1596080), (64, 1396570), (70, 1276864), (71, 1258880), (80, 1117256), (112, 798040), (128, 698285), (140, 638432), (142, 629440), (160, 558628), (224, 399020), (280, 319216), (281, 318080), (284, 314720), (320, 279314), (355, 251776), (448, 199510), (497, 179840), (560, 159608), (562, 159040), (568, 157360), (640, 139657), (710, 125888), (896, 99755), (994, 89920), (1120, 79804), (1124, 79520), (1136, 78680), (1405, 63616), (1420, 62944), (1967, 45440), (1988, 44960), (2240, 39902), (2248, 39760), (2272, 39340), (2485, 35968), (2810, 31808), (2840, 31472), (3934, 22720), (3976, 22480), (4480, 19951), (4496, 19880), (4544, 19670), (4970, 17984), (5620, 15904), (5680, 15736), (7868, 11360), (7952, 11240), (8992, 9940), (9088, 9835)]