261451260

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:314

約数の個数: 288

約数和(自身を含む): 973304640

約数和(自身を除く): 711853380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 41, 42, 45, 49, 54, 60, 63, 70, 82, 84, 90, 98, 105, 108, 123, 126, 135, 140, 147, 164, 180, 189, 196, 205, 210, 241, 245, 246, 252, 270, 287, 294, 315, 369, 378, 410, 420, 441, 482, 490, 492, 540, 574, 588, 615, 630, 723, 735, 738, 756, 820, 861, 882, 945, 964, 980, 1107, 1148, 1205, 1230, 1260, 1323, 1435, 1446, 1470, 1476, 1687, 1722, 1764, 1845, 1890, 2009, 2169, 2205, 2214, 2410, 2460, 2583, 2646, 2870, 2892, 2940, 3374, 3444, 3615, 3690, 3780, 4018, 4305, 4338, 4410, 4428, 4820, 5061, 5166, 5292, 5535, 5740, 6027, 6507, 6615, 6748, 7230, 7380, 7749, 8036, 8435, 8610, 8676, 8820, 9881, 10045, 10122, 10332, 10845, 11070, 11809, 12054, 12915, 13014, 13230, 14460, 15183, 15498, 16870, 17220, 18081, 19762, 20090, 20244, 21690, 22140, 23618, 24108, 25305, 25830, 26028, 26460, 29643, 30135, 30366, 30996, 32535, 33740, 35427, 36162, 38745, 39524, 40180, 43380, 45549, 47236, 49405, 50610, 51660, 54243, 59045, 59286, 60270, 60732, 65070, 69167, 70854, 72324, 75915, 77490, 88929, 90405, 91098, 98810, 101220, 106281, 108486, 118090, 118572, 120540, 130140, 138334, 141708, 148215, 151830, 154980, 177135, 177858, 180810, 182196, 197620, 207501, 212562, 216972, 227745, 236180, 266787, 271215, 276668, 296430, 303660, 318843, 345835, 354270, 355716, 361620, 415002, 425124, 444645, 455490, 484169, 531405, 533574, 542430, 592860, 622503, 637686, 691670, 708540, 830004, 889290, 910980, 968338, 1037505, 1062810, 1067148, 1084860, 1245006, 1275372, 1333935, 1383340, 1452507, 1594215, 1778580, 1867509, 1936676, 2075010, 2125620, 2420845, 2490012, 2667870, 2905014, 3112515, 3188430, 3735018, 4150020, 4357521, 4841690, 5335740, 5810028, 6225030, 6376860, 7262535, 7470036, 8715042, 9337545, 9683380, 12450060, 13072563, 14525070, 17430084, 18675090, 21787605, 26145126, 29050140, 37350180, 43575210, 52290252, 65362815, 87150420, 130725630, 261451260]

約数ペア:

[(1, 261451260), (2, 130725630), (3, 87150420), (4, 65362815), (5, 52290252), (6, 43575210), (7, 37350180), (9, 29050140), (10, 26145126), (12, 21787605), (14, 18675090), (15, 17430084), (18, 14525070), (20, 13072563), (21, 12450060), (27, 9683380), (28, 9337545), (30, 8715042), (35, 7470036), (36, 7262535), (41, 6376860), (42, 6225030), (45, 5810028), (49, 5335740), (54, 4841690), (60, 4357521), (63, 4150020), (70, 3735018), (82, 3188430), (84, 3112515), (90, 2905014), (98, 2667870), (105, 2490012), (108, 2420845), (123, 2125620), (126, 2075010), (135, 1936676), (140, 1867509), (147, 1778580), (164, 1594215), (180, 1452507), (189, 1383340), (196, 1333935), (205, 1275372), (210, 1245006), (241, 1084860), (245, 1067148), (246, 1062810), (252, 1037505), (270, 968338), (287, 910980), (294, 889290), (315, 830004), (369, 708540), (378, 691670), (410, 637686), (420, 622503), (441, 592860), (482, 542430), (490, 533574), (492, 531405), (540, 484169), (574, 455490), (588, 444645), (615, 425124), (630, 415002), (723, 361620), (735, 355716), (738, 354270), (756, 345835), (820, 318843), (861, 303660), (882, 296430), (945, 276668), (964, 271215), (980, 266787), (1107, 236180), (1148, 227745), (1205, 216972), (1230, 212562), (1260, 207501), (1323, 197620), (1435, 182196), (1446, 180810), (1470, 177858), (1476, 177135), (1687, 154980), (1722, 151830), (1764, 148215), (1845, 141708), (1890, 138334), (2009, 130140), (2169, 120540), (2205, 118572), (2214, 118090), (2410, 108486), (2460, 106281), (2583, 101220), (2646, 98810), (2870, 91098), (2892, 90405), (2940, 88929), (3374, 77490), (3444, 75915), (3615, 72324), (3690, 70854), (3780, 69167), (4018, 65070), (4305, 60732), (4338, 60270), (4410, 59286), (4428, 59045), (4820, 54243), (5061, 51660), (5166, 50610), (5292, 49405), (5535, 47236), (5740, 45549), (6027, 43380), (6507, 40180), (6615, 39524), (6748, 38745), (7230, 36162), (7380, 35427), (7749, 33740), (8036, 32535), (8435, 30996), (8610, 30366), (8676, 30135), (8820, 29643), (9881, 26460), (10045, 26028), (10122, 25830), (10332, 25305), (10845, 24108), (11070, 23618), (11809, 22140), (12054, 21690), (12915, 20244), (13014, 20090), (13230, 19762), (14460, 18081), (15183, 17220), (15498, 16870)]