123370240

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{281}}^1$

素因数の和:323

約数の個数: 144

約数和(自身を含む): 345844800

約数和(自身を除く): 222474560

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, 256, 280, 281, 320, 343, 392, 448, 490, 560, 562, 640, 686, 784, 896, 980, 1120, 1124, 1280, 1372, 1405, 1568, 1715, 1792, 1960, 1967, 2240, 2248, 2744, 2810, 3136, 3430, 3920, 3934, 4480, 4496, 5488, 5620, 6272, 6860, 7840, 7868, 8960, 8992, 9835, 10976, 11240, 12544, 13720, 13769, 15680, 15736, 17984, 19670, 21952, 22480, 27440, 27538, 31360, 31472, 35968, 39340, 43904, 44960, 54880, 55076, 62720, 62944, 68845, 71936, 78680, 87808, 89920, 96383, 109760, 110152, 125888, 137690, 157360, 179840, 192766, 219520, 220304, 251776, 275380, 314720, 359680, 385532, 439040, 440608, 481915, 503552, 550760, 629440, 771064, 881216, 963830, 1101520, 1258880, 1542128, 1762432, 1927660, 2203040, 2517760, 3084256, 3524864, 3855320, 4406080, 6168512, 7710640, 8812160, 12337024, 15421280, 17624320, 24674048, 30842560, 61685120, 123370240]

約数ペア:

[(1, 123370240), (2, 61685120), (4, 30842560), (5, 24674048), (7, 17624320), (8, 15421280), (10, 12337024), (14, 8812160), (16, 7710640), (20, 6168512), (28, 4406080), (32, 3855320), (35, 3524864), (40, 3084256), (49, 2517760), (56, 2203040), (64, 1927660), (70, 1762432), (80, 1542128), (98, 1258880), (112, 1101520), (128, 963830), (140, 881216), (160, 771064), (196, 629440), (224, 550760), (245, 503552), (256, 481915), (280, 440608), (281, 439040), (320, 385532), (343, 359680), (392, 314720), (448, 275380), (490, 251776), (560, 220304), (562, 219520), (640, 192766), (686, 179840), (784, 157360), (896, 137690), (980, 125888), (1120, 110152), (1124, 109760), (1280, 96383), (1372, 89920), (1405, 87808), (1568, 78680), (1715, 71936), (1792, 68845), (1960, 62944), (1967, 62720), (2240, 55076), (2248, 54880), (2744, 44960), (2810, 43904), (3136, 39340), (3430, 35968), (3920, 31472), (3934, 31360), (4480, 27538), (4496, 27440), (5488, 22480), (5620, 21952), (6272, 19670), (6860, 17984), (7840, 15736), (7868, 15680), (8960, 13769), (8992, 13720), (9835, 12544), (10976, 11240)]