655831680

素因数分解:

$2^7\times 3^1\times 5^1\times 7^2\times {\mathrm{6971}}^1$

素因数の和:7007

約数の個数: 192

約数和(自身を含む): 2432112480

約数和(自身を除く): 1776280800

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, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 784, 840, 896, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1920, 1960, 2240, 2352, 2688, 2940, 3136, 3360, 3920, 4480, 4704, 5880, 6272, 6720, 6971, 7840, 9408, 11760, 13440, 13942, 15680, 18816, 20913, 23520, 27884, 31360, 34855, 41826, 47040, 48797, 55768, 69710, 83652, 94080, 97594, 104565, 111536, 139420, 146391, 167304, 195188, 209130, 223072, 243985, 278840, 292782, 334608, 341579, 390376, 418260, 446144, 487970, 557680, 585564, 669216, 683158, 731955, 780752, 836520, 892288, 975940, 1024737, 1115360, 1171128, 1338432, 1366316, 1463910, 1561504, 1673040, 1707895, 1951880, 2049474, 2230720, 2342256, 2676864, 2732632, 2927820, 3123008, 3346080, 3415790, 3903760, 4098948, 4461440, 4684512, 5123685, 5465264, 5855640, 6246016, 6692160, 6831580, 7807520, 8197896, 9369024, 10247370, 10930528, 11711280, 13384320, 13663160, 15615040, 16395792, 18738048, 20494740, 21861056, 23422560, 27326320, 31230080, 32791584, 40989480, 43722112, 46845120, 54652640, 65583168, 81978960, 93690240, 109305280, 131166336, 163957920, 218610560, 327915840, 655831680]

約数ペア:

[(1, 655831680), (2, 327915840), (3, 218610560), (4, 163957920), (5, 131166336), (6, 109305280), (7, 93690240), (8, 81978960), (10, 65583168), (12, 54652640), (14, 46845120), (15, 43722112), (16, 40989480), (20, 32791584), (21, 31230080), (24, 27326320), (28, 23422560), (30, 21861056), (32, 20494740), (35, 18738048), (40, 16395792), (42, 15615040), (48, 13663160), (49, 13384320), (56, 11711280), (60, 10930528), (64, 10247370), (70, 9369024), (80, 8197896), (84, 7807520), (96, 6831580), (98, 6692160), (105, 6246016), (112, 5855640), (120, 5465264), (128, 5123685), (140, 4684512), (147, 4461440), (160, 4098948), (168, 3903760), (192, 3415790), (196, 3346080), (210, 3123008), (224, 2927820), (240, 2732632), (245, 2676864), (280, 2342256), (294, 2230720), (320, 2049474), (336, 1951880), (384, 1707895), (392, 1673040), (420, 1561504), (448, 1463910), (480, 1366316), (490, 1338432), (560, 1171128), (588, 1115360), (640, 1024737), (672, 975940), (735, 892288), (784, 836520), (840, 780752), (896, 731955), (960, 683158), (980, 669216), (1120, 585564), (1176, 557680), (1344, 487970), (1470, 446144), (1568, 418260), (1680, 390376), (1920, 341579), (1960, 334608), (2240, 292782), (2352, 278840), (2688, 243985), (2940, 223072), (3136, 209130), (3360, 195188), (3920, 167304), (4480, 146391), (4704, 139420), (5880, 111536), (6272, 104565), (6720, 97594), (6971, 94080), (7840, 83652), (9408, 69710), (11760, 55768), (13440, 48797), (13942, 47040), (15680, 41826), (18816, 34855), (20913, 31360), (23520, 27884)]