320201728

素因数分解:

$2^{10}\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:200

約数の個数: 176

約数和(自身を含む): 830066688

約数和(自身を除く): 509864960

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 62, 64, 77, 88, 112, 124, 128, 131, 154, 176, 217, 224, 248, 256, 262, 308, 341, 352, 434, 448, 496, 512, 524, 616, 682, 704, 868, 896, 917, 992, 1024, 1048, 1232, 1364, 1408, 1441, 1736, 1792, 1834, 1984, 2096, 2387, 2464, 2728, 2816, 2882, 3472, 3584, 3668, 3968, 4061, 4192, 4774, 4928, 5456, 5632, 5764, 6944, 7168, 7336, 7936, 8122, 8384, 9548, 9856, 10087, 10912, 11264, 11528, 13888, 14672, 15872, 16244, 16768, 19096, 19712, 20174, 21824, 23056, 27776, 28427, 29344, 31744, 32488, 33536, 38192, 39424, 40348, 43648, 44671, 46112, 55552, 56854, 58688, 64976, 67072, 76384, 78848, 80696, 87296, 89342, 92224, 111104, 113708, 117376, 129952, 134144, 152768, 161392, 174592, 178684, 184448, 222208, 227416, 234752, 259904, 305536, 312697, 322784, 349184, 357368, 368896, 454832, 469504, 519808, 611072, 625394, 645568, 714736, 737792, 909664, 939008, 1039616, 1222144, 1250788, 1291136, 1429472, 1475584, 1819328, 2079232, 2444288, 2501576, 2582272, 2858944, 3638656, 4158464, 5003152, 5164544, 5717888, 7277312, 10006304, 10329088, 11435776, 14554624, 20012608, 22871552, 29109248, 40025216, 45743104, 80050432, 160100864, 320201728]

約数ペア:

[(1, 320201728), (2, 160100864), (4, 80050432), (7, 45743104), (8, 40025216), (11, 29109248), (14, 22871552), (16, 20012608), (22, 14554624), (28, 11435776), (31, 10329088), (32, 10006304), (44, 7277312), (56, 5717888), (62, 5164544), (64, 5003152), (77, 4158464), (88, 3638656), (112, 2858944), (124, 2582272), (128, 2501576), (131, 2444288), (154, 2079232), (176, 1819328), (217, 1475584), (224, 1429472), (248, 1291136), (256, 1250788), (262, 1222144), (308, 1039616), (341, 939008), (352, 909664), (434, 737792), (448, 714736), (496, 645568), (512, 625394), (524, 611072), (616, 519808), (682, 469504), (704, 454832), (868, 368896), (896, 357368), (917, 349184), (992, 322784), (1024, 312697), (1048, 305536), (1232, 259904), (1364, 234752), (1408, 227416), (1441, 222208), (1736, 184448), (1792, 178684), (1834, 174592), (1984, 161392), (2096, 152768), (2387, 134144), (2464, 129952), (2728, 117376), (2816, 113708), (2882, 111104), (3472, 92224), (3584, 89342), (3668, 87296), (3968, 80696), (4061, 78848), (4192, 76384), (4774, 67072), (4928, 64976), (5456, 58688), (5632, 56854), (5764, 55552), (6944, 46112), (7168, 44671), (7336, 43648), (7936, 40348), (8122, 39424), (8384, 38192), (9548, 33536), (9856, 32488), (10087, 31744), (10912, 29344), (11264, 28427), (11528, 27776), (13888, 23056), (14672, 21824), (15872, 20174), (16244, 19712), (16768, 19096)]