260654520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:582

約数の個数: 192

約数和(自身を含む): 921019680

約数和(自身を除く): 660365160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 97, 98, 105, 120, 140, 147, 168, 194, 196, 210, 245, 280, 291, 294, 388, 392, 420, 457, 485, 490, 582, 588, 679, 735, 776, 840, 914, 970, 980, 1164, 1176, 1358, 1371, 1455, 1470, 1828, 1940, 1960, 2037, 2285, 2328, 2716, 2742, 2910, 2940, 3199, 3395, 3656, 3880, 4074, 4570, 4753, 5432, 5484, 5820, 5880, 6398, 6790, 6855, 8148, 9140, 9506, 9597, 10185, 10968, 11640, 12796, 13580, 13710, 14259, 15995, 16296, 18280, 19012, 19194, 20370, 22393, 23765, 25592, 27160, 27420, 28518, 31990, 38024, 38388, 40740, 44329, 44786, 47530, 47985, 54840, 57036, 63980, 67179, 71295, 76776, 81480, 88658, 89572, 95060, 95970, 111965, 114072, 127960, 132987, 134358, 142590, 177316, 179144, 190120, 191940, 221645, 223930, 265974, 268716, 285180, 310303, 335895, 354632, 383880, 443290, 447860, 531948, 537432, 570360, 620606, 664935, 671790, 886580, 895720, 930909, 1063896, 1241212, 1329870, 1343580, 1551515, 1773160, 1861818, 2172121, 2482424, 2659740, 2687160, 3103030, 3723636, 4344242, 4654545, 5319480, 6206060, 6516363, 7447272, 8688484, 9309090, 10860605, 12412120, 13032726, 17376968, 18618180, 21721210, 26065452, 32581815, 37236360, 43442420, 52130904, 65163630, 86884840, 130327260, 260654520]

約数ペア:

[(1, 260654520), (2, 130327260), (3, 86884840), (4, 65163630), (5, 52130904), (6, 43442420), (7, 37236360), (8, 32581815), (10, 26065452), (12, 21721210), (14, 18618180), (15, 17376968), (20, 13032726), (21, 12412120), (24, 10860605), (28, 9309090), (30, 8688484), (35, 7447272), (40, 6516363), (42, 6206060), (49, 5319480), (56, 4654545), (60, 4344242), (70, 3723636), (84, 3103030), (97, 2687160), (98, 2659740), (105, 2482424), (120, 2172121), (140, 1861818), (147, 1773160), (168, 1551515), (194, 1343580), (196, 1329870), (210, 1241212), (245, 1063896), (280, 930909), (291, 895720), (294, 886580), (388, 671790), (392, 664935), (420, 620606), (457, 570360), (485, 537432), (490, 531948), (582, 447860), (588, 443290), (679, 383880), (735, 354632), (776, 335895), (840, 310303), (914, 285180), (970, 268716), (980, 265974), (1164, 223930), (1176, 221645), (1358, 191940), (1371, 190120), (1455, 179144), (1470, 177316), (1828, 142590), (1940, 134358), (1960, 132987), (2037, 127960), (2285, 114072), (2328, 111965), (2716, 95970), (2742, 95060), (2910, 89572), (2940, 88658), (3199, 81480), (3395, 76776), (3656, 71295), (3880, 67179), (4074, 63980), (4570, 57036), (4753, 54840), (5432, 47985), (5484, 47530), (5820, 44786), (5880, 44329), (6398, 40740), (6790, 38388), (6855, 38024), (8148, 31990), (9140, 28518), (9506, 27420), (9597, 27160), (10185, 25592), (10968, 23765), (11640, 22393), (12796, 20370), (13580, 19194), (13710, 19012), (14259, 18280), (15995, 16296)]