31238784

素因数分解:

$2^7\times 3^4\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:180

約数の個数: 160

約数和(自身を含む): 97748640

約数和(自身を除く): 66509856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 81, 92, 96, 108, 128, 131, 138, 144, 162, 184, 192, 207, 216, 262, 276, 288, 324, 368, 384, 393, 414, 432, 524, 552, 576, 621, 648, 736, 786, 828, 864, 1048, 1104, 1152, 1179, 1242, 1296, 1472, 1572, 1656, 1728, 1863, 2096, 2208, 2358, 2484, 2592, 2944, 3013, 3144, 3312, 3456, 3537, 3726, 4192, 4416, 4716, 4968, 5184, 6026, 6288, 6624, 7074, 7452, 8384, 8832, 9039, 9432, 9936, 10368, 10611, 12052, 12576, 13248, 14148, 14904, 16768, 18078, 18864, 19872, 21222, 24104, 25152, 26496, 27117, 28296, 29808, 36156, 37728, 39744, 42444, 48208, 50304, 54234, 56592, 59616, 72312, 75456, 79488, 81351, 84888, 96416, 108468, 113184, 119232, 144624, 150912, 162702, 169776, 192832, 216936, 226368, 238464, 244053, 289248, 325404, 339552, 385664, 433872, 452736, 488106, 578496, 650808, 679104, 867744, 976212, 1156992, 1301616, 1358208, 1735488, 1952424, 2603232, 3470976, 3904848, 5206464, 7809696, 10412928, 15619392, 31238784]

約数ペア:

[(1, 31238784), (2, 15619392), (3, 10412928), (4, 7809696), (6, 5206464), (8, 3904848), (9, 3470976), (12, 2603232), (16, 1952424), (18, 1735488), (23, 1358208), (24, 1301616), (27, 1156992), (32, 976212), (36, 867744), (46, 679104), (48, 650808), (54, 578496), (64, 488106), (69, 452736), (72, 433872), (81, 385664), (92, 339552), (96, 325404), (108, 289248), (128, 244053), (131, 238464), (138, 226368), (144, 216936), (162, 192832), (184, 169776), (192, 162702), (207, 150912), (216, 144624), (262, 119232), (276, 113184), (288, 108468), (324, 96416), (368, 84888), (384, 81351), (393, 79488), (414, 75456), (432, 72312), (524, 59616), (552, 56592), (576, 54234), (621, 50304), (648, 48208), (736, 42444), (786, 39744), (828, 37728), (864, 36156), (1048, 29808), (1104, 28296), (1152, 27117), (1179, 26496), (1242, 25152), (1296, 24104), (1472, 21222), (1572, 19872), (1656, 18864), (1728, 18078), (1863, 16768), (2096, 14904), (2208, 14148), (2358, 13248), (2484, 12576), (2592, 12052), (2944, 10611), (3013, 10368), (3144, 9936), (3312, 9432), (3456, 9039), (3537, 8832), (3726, 8384), (4192, 7452), (4416, 7074), (4716, 6624), (4968, 6288), (5184, 6026)]