1680931476

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{521}}^1$

素因数の和:635

約数の個数: 216

約数和(自身を含む): 5198618880

約数和(自身を除く): 3517687404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 49, 59, 62, 63, 84, 93, 98, 118, 124, 126, 147, 177, 186, 196, 217, 236, 252, 279, 294, 354, 372, 413, 434, 441, 521, 531, 558, 588, 651, 708, 826, 868, 882, 1042, 1062, 1116, 1239, 1302, 1519, 1563, 1652, 1764, 1829, 1953, 2084, 2124, 2478, 2604, 2891, 3038, 3126, 3647, 3658, 3717, 3906, 4557, 4689, 4956, 5487, 5782, 6076, 6252, 7294, 7316, 7434, 7812, 8673, 9114, 9378, 10941, 10974, 11564, 12803, 13671, 14588, 14868, 16151, 16461, 17346, 18228, 18756, 21882, 21948, 25529, 25606, 26019, 27342, 30739, 32302, 32823, 32922, 34692, 38409, 43764, 48453, 51058, 51212, 52038, 54684, 61478, 64604, 65646, 65844, 76587, 76818, 89621, 92217, 96906, 102116, 104076, 113057, 115227, 122956, 131292, 145359, 153174, 153636, 179242, 184434, 193812, 215173, 226114, 229761, 230454, 268863, 276651, 290718, 306348, 339171, 358484, 368868, 430346, 452228, 459522, 460908, 537726, 553302, 581436, 645519, 678342, 791399, 806589, 860692, 919044, 952909, 1017513, 1075452, 1106604, 1291038, 1356684, 1506211, 1582798, 1613178, 1905818, 1936557, 2035026, 2374197, 2582076, 2858727, 3012422, 3165596, 3226356, 3811636, 3873114, 4070052, 4518633, 4748394, 5717454, 6024844, 6670363, 7122591, 7746228, 8576181, 9037266, 9496788, 11434908, 13340726, 13555899, 14245182, 17152362, 18074532, 20011089, 26681452, 27111798, 28490364, 34304724, 40022178, 46692541, 54223596, 60033267, 80044356, 93385082, 120066534, 140077623, 186770164, 240133068, 280155246, 420232869, 560310492, 840465738, 1680931476]

約数ペア:

[(1, 1680931476), (2, 840465738), (3, 560310492), (4, 420232869), (6, 280155246), (7, 240133068), (9, 186770164), (12, 140077623), (14, 120066534), (18, 93385082), (21, 80044356), (28, 60033267), (31, 54223596), (36, 46692541), (42, 40022178), (49, 34304724), (59, 28490364), (62, 27111798), (63, 26681452), (84, 20011089), (93, 18074532), (98, 17152362), (118, 14245182), (124, 13555899), (126, 13340726), (147, 11434908), (177, 9496788), (186, 9037266), (196, 8576181), (217, 7746228), (236, 7122591), (252, 6670363), (279, 6024844), (294, 5717454), (354, 4748394), (372, 4518633), (413, 4070052), (434, 3873114), (441, 3811636), (521, 3226356), (531, 3165596), (558, 3012422), (588, 2858727), (651, 2582076), (708, 2374197), (826, 2035026), (868, 1936557), (882, 1905818), (1042, 1613178), (1062, 1582798), (1116, 1506211), (1239, 1356684), (1302, 1291038), (1519, 1106604), (1563, 1075452), (1652, 1017513), (1764, 952909), (1829, 919044), (1953, 860692), (2084, 806589), (2124, 791399), (2478, 678342), (2604, 645519), (2891, 581436), (3038, 553302), (3126, 537726), (3647, 460908), (3658, 459522), (3717, 452228), (3906, 430346), (4557, 368868), (4689, 358484), (4956, 339171), (5487, 306348), (5782, 290718), (6076, 276651), (6252, 268863), (7294, 230454), (7316, 229761), (7434, 226114), (7812, 215173), (8673, 193812), (9114, 184434), (9378, 179242), (10941, 153636), (10974, 153174), (11564, 145359), (12803, 131292), (13671, 122956), (14588, 115227), (14868, 113057), (16151, 104076), (16461, 102116), (17346, 96906), (18228, 92217), (18756, 89621), (21882, 76818), (21948, 76587), (25529, 65844), (25606, 65646), (26019, 64604), (27342, 61478), (30739, 54684), (32302, 52038), (32823, 51212), (32922, 51058), (34692, 48453), (38409, 43764)]