61685120

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{281}}^1$

素因数の和:321

約数の個数: 128

約数和(自身を含む): 172584000

約数和(自身を除く): 110898880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 281, 320, 343, 392, 448, 490, 560, 562, 640, 686, 784, 896, 980, 1120, 1124, 1372, 1405, 1568, 1715, 1960, 1967, 2240, 2248, 2744, 2810, 3136, 3430, 3920, 3934, 4480, 4496, 5488, 5620, 6272, 6860, 7840, 7868, 8992, 9835, 10976, 11240, 13720, 13769, 15680, 15736, 17984, 19670, 21952, 22480, 27440, 27538, 31360, 31472, 35968, 39340, 43904, 44960, 54880, 55076, 62944, 68845, 78680, 89920, 96383, 109760, 110152, 125888, 137690, 157360, 179840, 192766, 219520, 220304, 251776, 275380, 314720, 385532, 440608, 481915, 550760, 629440, 771064, 881216, 963830, 1101520, 1258880, 1542128, 1762432, 1927660, 2203040, 3084256, 3855320, 4406080, 6168512, 7710640, 8812160, 12337024, 15421280, 30842560, 61685120]

約数ペア:

[(1, 61685120), (2, 30842560), (4, 15421280), (5, 12337024), (7, 8812160), (8, 7710640), (10, 6168512), (14, 4406080), (16, 3855320), (20, 3084256), (28, 2203040), (32, 1927660), (35, 1762432), (40, 1542128), (49, 1258880), (56, 1101520), (64, 963830), (70, 881216), (80, 771064), (98, 629440), (112, 550760), (128, 481915), (140, 440608), (160, 385532), (196, 314720), (224, 275380), (245, 251776), (280, 220304), (281, 219520), (320, 192766), (343, 179840), (392, 157360), (448, 137690), (490, 125888), (560, 110152), (562, 109760), (640, 96383), (686, 89920), (784, 78680), (896, 68845), (980, 62944), (1120, 55076), (1124, 54880), (1372, 44960), (1405, 43904), (1568, 39340), (1715, 35968), (1960, 31472), (1967, 31360), (2240, 27538), (2248, 27440), (2744, 22480), (2810, 21952), (3136, 19670), (3430, 17984), (3920, 15736), (3934, 15680), (4480, 13769), (4496, 13720), (5488, 11240), (5620, 10976), (6272, 9835), (6860, 8992), (7840, 7868)]