256960242

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2131}}^1$

素因数の和:2189

約数の個数: 128

約数和(自身を含む): 736819200

約数和(自身を除く): 479858958

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 29, 33, 42, 54, 58, 63, 66, 77, 87, 99, 126, 154, 174, 189, 198, 203, 231, 261, 297, 319, 378, 406, 462, 522, 594, 609, 638, 693, 783, 957, 1218, 1386, 1566, 1827, 1914, 2079, 2131, 2233, 2871, 3654, 4158, 4262, 4466, 5481, 5742, 6393, 6699, 8613, 10962, 12786, 13398, 14917, 17226, 19179, 20097, 23441, 29834, 38358, 40194, 44751, 46882, 57537, 60291, 61799, 70323, 89502, 115074, 120582, 123598, 134253, 140646, 164087, 185397, 210969, 268506, 328174, 370794, 402759, 421938, 432593, 492261, 556191, 632907, 679789, 805518, 865186, 984522, 1112382, 1265814, 1297779, 1359578, 1476783, 1668573, 2039367, 2595558, 2953566, 3337146, 3893337, 4078734, 4430349, 4758523, 6118101, 7786674, 8860698, 9517046, 11680011, 12236202, 14275569, 18354303, 23360022, 28551138, 36708606, 42826707, 85653414, 128480121, 256960242]

約数ペア:

[(1, 256960242), (2, 128480121), (3, 85653414), (6, 42826707), (7, 36708606), (9, 28551138), (11, 23360022), (14, 18354303), (18, 14275569), (21, 12236202), (22, 11680011), (27, 9517046), (29, 8860698), (33, 7786674), (42, 6118101), (54, 4758523), (58, 4430349), (63, 4078734), (66, 3893337), (77, 3337146), (87, 2953566), (99, 2595558), (126, 2039367), (154, 1668573), (174, 1476783), (189, 1359578), (198, 1297779), (203, 1265814), (231, 1112382), (261, 984522), (297, 865186), (319, 805518), (378, 679789), (406, 632907), (462, 556191), (522, 492261), (594, 432593), (609, 421938), (638, 402759), (693, 370794), (783, 328174), (957, 268506), (1218, 210969), (1386, 185397), (1566, 164087), (1827, 140646), (1914, 134253), (2079, 123598), (2131, 120582), (2233, 115074), (2871, 89502), (3654, 70323), (4158, 61799), (4262, 60291), (4466, 57537), (5481, 46882), (5742, 44751), (6393, 40194), (6699, 38358), (8613, 29834), (10962, 23441), (12786, 20097), (13398, 19179), (14917, 17226)]