247255680

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{18397}}^1$

素因数の和:18426

約数の個数: 128

約数和(自身を含む): 900766080

約数和(自身を除く): 653510400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 18397, 36794, 55191, 73588, 91985, 110382, 128779, 147176, 183970, 220764, 257558, 275955, 294352, 367940, 386337, 441528, 515116, 551910, 588704, 643895, 735880, 772674, 883056, 1030232, 1103820, 1177408, 1287790, 1471760, 1545348, 1766112, 1931685, 2060464, 2207640, 2354816, 2575580, 2943520, 3090696, 3532224, 3863370, 4120928, 4415280, 5151160, 5887040, 6181392, 7064448, 7726740, 8241856, 8830560, 10302320, 11774080, 12362784, 15453480, 16483712, 17661120, 20604640, 24725568, 30906960, 35322240, 41209280, 49451136, 61813920, 82418560, 123627840, 247255680]

約数ペア:

[(1, 247255680), (2, 123627840), (3, 82418560), (4, 61813920), (5, 49451136), (6, 41209280), (7, 35322240), (8, 30906960), (10, 24725568), (12, 20604640), (14, 17661120), (15, 16483712), (16, 15453480), (20, 12362784), (21, 11774080), (24, 10302320), (28, 8830560), (30, 8241856), (32, 7726740), (35, 7064448), (40, 6181392), (42, 5887040), (48, 5151160), (56, 4415280), (60, 4120928), (64, 3863370), (70, 3532224), (80, 3090696), (84, 2943520), (96, 2575580), (105, 2354816), (112, 2207640), (120, 2060464), (128, 1931685), (140, 1766112), (160, 1545348), (168, 1471760), (192, 1287790), (210, 1177408), (224, 1103820), (240, 1030232), (280, 883056), (320, 772674), (336, 735880), (384, 643895), (420, 588704), (448, 551910), (480, 515116), (560, 441528), (640, 386337), (672, 367940), (840, 294352), (896, 275955), (960, 257558), (1120, 220764), (1344, 183970), (1680, 147176), (1920, 128779), (2240, 110382), (2688, 91985), (3360, 73588), (4480, 55191), (6720, 36794), (13440, 18397)]