56509740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:221

約数の個数: 216

約数和(自身を含む): 205405200

約数和(自身を除く): 148895460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 49, 60, 63, 70, 84, 86, 90, 98, 105, 126, 129, 140, 147, 149, 172, 180, 196, 210, 215, 245, 252, 258, 294, 298, 301, 315, 387, 420, 430, 441, 447, 490, 516, 588, 596, 602, 630, 645, 735, 745, 774, 860, 882, 894, 903, 980, 1043, 1204, 1260, 1290, 1341, 1470, 1490, 1505, 1548, 1764, 1788, 1806, 1935, 2086, 2107, 2205, 2235, 2580, 2682, 2709, 2940, 2980, 3010, 3129, 3612, 3870, 4172, 4214, 4410, 4470, 4515, 5215, 5364, 5418, 6020, 6258, 6321, 6407, 6705, 7301, 7740, 8428, 8820, 8940, 9030, 9387, 10430, 10535, 10836, 12516, 12642, 12814, 13410, 13545, 14602, 15645, 18060, 18774, 18963, 19221, 20860, 21070, 21903, 25284, 25628, 26820, 27090, 29204, 31290, 31605, 32035, 36505, 37548, 37926, 38442, 42140, 43806, 44849, 46935, 54180, 57663, 62580, 63210, 64070, 65709, 73010, 75852, 76884, 87612, 89698, 93870, 94815, 96105, 109515, 115326, 126420, 128140, 131418, 134547, 146020, 179396, 187740, 189630, 192210, 219030, 224245, 230652, 262836, 269094, 288315, 313943, 328545, 379260, 384420, 403641, 438060, 448490, 538188, 576630, 627886, 657090, 672735, 807282, 896980, 941829, 1153260, 1255772, 1314180, 1345470, 1569715, 1614564, 1883658, 2018205, 2690940, 2825487, 3139430, 3767316, 4036410, 4709145, 5650974, 6278860, 8072820, 9418290, 11301948, 14127435, 18836580, 28254870, 56509740]

約数ペア:

[(1, 56509740), (2, 28254870), (3, 18836580), (4, 14127435), (5, 11301948), (6, 9418290), (7, 8072820), (9, 6278860), (10, 5650974), (12, 4709145), (14, 4036410), (15, 3767316), (18, 3139430), (20, 2825487), (21, 2690940), (28, 2018205), (30, 1883658), (35, 1614564), (36, 1569715), (42, 1345470), (43, 1314180), (45, 1255772), (49, 1153260), (60, 941829), (63, 896980), (70, 807282), (84, 672735), (86, 657090), (90, 627886), (98, 576630), (105, 538188), (126, 448490), (129, 438060), (140, 403641), (147, 384420), (149, 379260), (172, 328545), (180, 313943), (196, 288315), (210, 269094), (215, 262836), (245, 230652), (252, 224245), (258, 219030), (294, 192210), (298, 189630), (301, 187740), (315, 179396), (387, 146020), (420, 134547), (430, 131418), (441, 128140), (447, 126420), (490, 115326), (516, 109515), (588, 96105), (596, 94815), (602, 93870), (630, 89698), (645, 87612), (735, 76884), (745, 75852), (774, 73010), (860, 65709), (882, 64070), (894, 63210), (903, 62580), (980, 57663), (1043, 54180), (1204, 46935), (1260, 44849), (1290, 43806), (1341, 42140), (1470, 38442), (1490, 37926), (1505, 37548), (1548, 36505), (1764, 32035), (1788, 31605), (1806, 31290), (1935, 29204), (2086, 27090), (2107, 26820), (2205, 25628), (2235, 25284), (2580, 21903), (2682, 21070), (2709, 20860), (2940, 19221), (2980, 18963), (3010, 18774), (3129, 18060), (3612, 15645), (3870, 14602), (4172, 13545), (4214, 13410), (4410, 12814), (4470, 12642), (4515, 12516), (5215, 10836), (5364, 10535), (5418, 10430), (6020, 9387), (6258, 9030), (6321, 8940), (6407, 8820), (6705, 8428), (7301, 7740)]