1290401728

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:331

約数の個数: 224

約数和(自身を含む): 3442825728

約数和(自身を除く): 2152424000

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 32, 34, 44, 56, 64, 68, 73, 77, 88, 112, 119, 136, 146, 154, 176, 187, 211, 224, 238, 272, 292, 308, 352, 374, 422, 448, 476, 511, 544, 584, 616, 704, 748, 803, 844, 952, 1022, 1088, 1168, 1232, 1241, 1309, 1477, 1496, 1606, 1688, 1904, 2044, 2321, 2336, 2464, 2482, 2618, 2954, 2992, 3212, 3376, 3587, 3808, 4088, 4642, 4672, 4928, 4964, 5236, 5621, 5908, 5984, 6424, 6752, 7174, 7616, 8176, 8687, 9284, 9928, 10472, 11242, 11816, 11968, 12848, 13504, 13651, 14348, 15403, 16247, 16352, 17374, 18568, 19856, 20944, 22484, 23632, 25109, 25696, 27302, 28696, 30806, 32494, 32704, 34748, 37136, 39457, 39712, 41888, 44968, 47264, 50218, 51392, 54604, 57392, 61612, 64988, 69496, 74272, 78914, 79424, 83776, 89936, 94528, 95557, 100436, 107821, 109208, 114784, 123224, 129976, 138992, 148544, 157828, 169433, 179872, 191114, 200872, 215642, 218416, 229568, 246448, 259952, 261851, 276199, 277984, 315656, 338866, 359744, 382228, 401744, 431284, 436832, 492896, 519904, 523702, 552398, 555968, 631312, 677732, 764456, 803488, 862568, 873664, 985792, 1039808, 1047404, 1104796, 1186031, 1262624, 1355464, 1528912, 1606976, 1725136, 1832957, 2094808, 2209592, 2372062, 2525248, 2710928, 2880361, 3057824, 3450272, 3665914, 4189616, 4419184, 4744124, 5421856, 5760722, 6115648, 6900544, 7331828, 8379232, 8838368, 9488248, 10843712, 11521444, 14663656, 16758464, 17676736, 18976496, 20162527, 23042888, 29327312, 37952992, 40325054, 46085776, 58654624, 75905984, 80650108, 92171552, 117309248, 161300216, 184343104, 322600432, 645200864, 1290401728]

約数ペア:

[(1, 1290401728), (2, 645200864), (4, 322600432), (7, 184343104), (8, 161300216), (11, 117309248), (14, 92171552), (16, 80650108), (17, 75905984), (22, 58654624), (28, 46085776), (32, 40325054), (34, 37952992), (44, 29327312), (56, 23042888), (64, 20162527), (68, 18976496), (73, 17676736), (77, 16758464), (88, 14663656), (112, 11521444), (119, 10843712), (136, 9488248), (146, 8838368), (154, 8379232), (176, 7331828), (187, 6900544), (211, 6115648), (224, 5760722), (238, 5421856), (272, 4744124), (292, 4419184), (308, 4189616), (352, 3665914), (374, 3450272), (422, 3057824), (448, 2880361), (476, 2710928), (511, 2525248), (544, 2372062), (584, 2209592), (616, 2094808), (704, 1832957), (748, 1725136), (803, 1606976), (844, 1528912), (952, 1355464), (1022, 1262624), (1088, 1186031), (1168, 1104796), (1232, 1047404), (1241, 1039808), (1309, 985792), (1477, 873664), (1496, 862568), (1606, 803488), (1688, 764456), (1904, 677732), (2044, 631312), (2321, 555968), (2336, 552398), (2464, 523702), (2482, 519904), (2618, 492896), (2954, 436832), (2992, 431284), (3212, 401744), (3376, 382228), (3587, 359744), (3808, 338866), (4088, 315656), (4642, 277984), (4672, 276199), (4928, 261851), (4964, 259952), (5236, 246448), (5621, 229568), (5908, 218416), (5984, 215642), (6424, 200872), (6752, 191114), (7174, 179872), (7616, 169433), (8176, 157828), (8687, 148544), (9284, 138992), (9928, 129976), (10472, 123224), (11242, 114784), (11816, 109208), (11968, 107821), (12848, 100436), (13504, 95557), (13651, 94528), (14348, 89936), (15403, 83776), (16247, 79424), (16352, 78914), (17374, 74272), (18568, 69496), (19856, 64988), (20944, 61612), (22484, 57392), (23632, 54604), (25109, 51392), (25696, 50218), (27302, 47264), (28696, 44968), (30806, 41888), (32494, 39712), (32704, 39457), (34748, 37136)]