256255776

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1609}}^1$

素因数の和:1711

約数の個数: 144

約数和(自身を含む): 843897600

約数和(自身を除く): 587641824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 79, 84, 96, 112, 126, 144, 158, 168, 224, 237, 252, 288, 316, 336, 474, 504, 553, 632, 672, 711, 948, 1008, 1106, 1264, 1422, 1609, 1659, 1896, 2016, 2212, 2528, 2844, 3218, 3318, 3792, 4424, 4827, 4977, 5688, 6436, 6636, 7584, 8848, 9654, 9954, 11263, 11376, 12872, 13272, 14481, 17696, 19308, 19908, 22526, 22752, 25744, 26544, 28962, 33789, 38616, 39816, 45052, 51488, 53088, 57924, 67578, 77232, 79632, 90104, 101367, 115848, 127111, 135156, 154464, 159264, 180208, 202734, 231696, 254222, 270312, 360416, 381333, 405468, 463392, 508444, 540624, 762666, 810936, 889777, 1016888, 1081248, 1143999, 1525332, 1621872, 1779554, 2033776, 2287998, 2669331, 3050664, 3243744, 3559108, 4067552, 4575996, 5338662, 6101328, 7118216, 8007993, 9151992, 10677324, 12202656, 14236432, 16015986, 18303984, 21354648, 28472864, 32031972, 36607968, 42709296, 64063944, 85418592, 128127888, 256255776]

約数ペア:

[(1, 256255776), (2, 128127888), (3, 85418592), (4, 64063944), (6, 42709296), (7, 36607968), (8, 32031972), (9, 28472864), (12, 21354648), (14, 18303984), (16, 16015986), (18, 14236432), (21, 12202656), (24, 10677324), (28, 9151992), (32, 8007993), (36, 7118216), (42, 6101328), (48, 5338662), (56, 4575996), (63, 4067552), (72, 3559108), (79, 3243744), (84, 3050664), (96, 2669331), (112, 2287998), (126, 2033776), (144, 1779554), (158, 1621872), (168, 1525332), (224, 1143999), (237, 1081248), (252, 1016888), (288, 889777), (316, 810936), (336, 762666), (474, 540624), (504, 508444), (553, 463392), (632, 405468), (672, 381333), (711, 360416), (948, 270312), (1008, 254222), (1106, 231696), (1264, 202734), (1422, 180208), (1609, 159264), (1659, 154464), (1896, 135156), (2016, 127111), (2212, 115848), (2528, 101367), (2844, 90104), (3218, 79632), (3318, 77232), (3792, 67578), (4424, 57924), (4827, 53088), (4977, 51488), (5688, 45052), (6436, 39816), (6636, 38616), (7584, 33789), (8848, 28962), (9654, 26544), (9954, 25744), (11263, 22752), (11376, 22526), (12872, 19908), (13272, 19308), (14481, 17696)]