661981572

素因数分解:

$2^2\times 3^6\times 7^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:190

約数の個数: 252

約数和(自身を含む): 2088080316

約数和(自身を除く): 1426098744

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 41, 42, 49, 54, 63, 81, 82, 84, 98, 108, 113, 123, 126, 147, 162, 164, 189, 196, 226, 243, 246, 252, 287, 294, 324, 339, 369, 378, 441, 452, 486, 492, 567, 574, 588, 678, 729, 738, 756, 791, 861, 882, 972, 1017, 1107, 1134, 1148, 1323, 1356, 1458, 1476, 1582, 1701, 1722, 1764, 2009, 2034, 2214, 2268, 2373, 2583, 2646, 2916, 3051, 3164, 3321, 3402, 3444, 3969, 4018, 4068, 4428, 4633, 4746, 5103, 5166, 5292, 5537, 6027, 6102, 6642, 6804, 7119, 7749, 7938, 8036, 9153, 9266, 9492, 9963, 10206, 10332, 11074, 11907, 12054, 12204, 13284, 13899, 14238, 15498, 15876, 16611, 18081, 18306, 18532, 19926, 20412, 21357, 22148, 23247, 23814, 24108, 27459, 27798, 28476, 29889, 30996, 32431, 33222, 35721, 36162, 36612, 39852, 41697, 42714, 46494, 47628, 49833, 54243, 54918, 55596, 59778, 64071, 64862, 66444, 69741, 71442, 72324, 82377, 83394, 85428, 92988, 97293, 99666, 108486, 109836, 119556, 125091, 128142, 129724, 139482, 142884, 149499, 162729, 164754, 166788, 192213, 194586, 199332, 209223, 216972, 227017, 250182, 256284, 278964, 291879, 298998, 325458, 329508, 375273, 384426, 389172, 418446, 448497, 454034, 488187, 500364, 576639, 583758, 597996, 650916, 681051, 750546, 768852, 836892, 875637, 896994, 908068, 976374, 1125819, 1153278, 1167516, 1345491, 1362102, 1464561, 1501092, 1751274, 1793988, 1952748, 2043153, 2251638, 2306556, 2626911, 2690982, 2724204, 2929122, 3377457, 3502548, 4036473, 4086306, 4503276, 5253822, 5381964, 5858244, 6129459, 6754914, 7880733, 8072946, 8172612, 10507644, 12258918, 13509828, 15761466, 16145892, 18388377, 23642199, 24517836, 31522932, 36776754, 47284398, 55165131, 73553508, 94568796, 110330262, 165495393, 220660524, 330990786, 661981572]

約数ペア:

[(1, 661981572), (2, 330990786), (3, 220660524), (4, 165495393), (6, 110330262), (7, 94568796), (9, 73553508), (12, 55165131), (14, 47284398), (18, 36776754), (21, 31522932), (27, 24517836), (28, 23642199), (36, 18388377), (41, 16145892), (42, 15761466), (49, 13509828), (54, 12258918), (63, 10507644), (81, 8172612), (82, 8072946), (84, 7880733), (98, 6754914), (108, 6129459), (113, 5858244), (123, 5381964), (126, 5253822), (147, 4503276), (162, 4086306), (164, 4036473), (189, 3502548), (196, 3377457), (226, 2929122), (243, 2724204), (246, 2690982), (252, 2626911), (287, 2306556), (294, 2251638), (324, 2043153), (339, 1952748), (369, 1793988), (378, 1751274), (441, 1501092), (452, 1464561), (486, 1362102), (492, 1345491), (567, 1167516), (574, 1153278), (588, 1125819), (678, 976374), (729, 908068), (738, 896994), (756, 875637), (791, 836892), (861, 768852), (882, 750546), (972, 681051), (1017, 650916), (1107, 597996), (1134, 583758), (1148, 576639), (1323, 500364), (1356, 488187), (1458, 454034), (1476, 448497), (1582, 418446), (1701, 389172), (1722, 384426), (1764, 375273), (2009, 329508), (2034, 325458), (2214, 298998), (2268, 291879), (2373, 278964), (2583, 256284), (2646, 250182), (2916, 227017), (3051, 216972), (3164, 209223), (3321, 199332), (3402, 194586), (3444, 192213), (3969, 166788), (4018, 164754), (4068, 162729), (4428, 149499), (4633, 142884), (4746, 139482), (5103, 129724), (5166, 128142), (5292, 125091), (5537, 119556), (6027, 109836), (6102, 108486), (6642, 99666), (6804, 97293), (7119, 92988), (7749, 85428), (7938, 83394), (8036, 82377), (9153, 72324), (9266, 71442), (9492, 69741), (9963, 66444), (10206, 64862), (10332, 64071), (11074, 59778), (11907, 55596), (12054, 54918), (12204, 54243), (13284, 49833), (13899, 47628), (14238, 46494), (15498, 42714), (15876, 41697), (16611, 39852), (18081, 36612), (18306, 36162), (18532, 35721), (19926, 33222), (20412, 32431), (21357, 30996), (22148, 29889), (23247, 28476), (23814, 27798), (24108, 27459)]