56980728

素因数分解:

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

素因数の和:578

約数の個数: 144

約数和(自身を含む): 185664960

約数和(自身を除く): 128684232

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 31, 36, 42, 49, 56, 62, 63, 72, 84, 93, 98, 124, 126, 147, 168, 186, 196, 217, 248, 252, 279, 294, 372, 392, 434, 441, 504, 521, 558, 588, 651, 744, 868, 882, 1042, 1116, 1176, 1302, 1519, 1563, 1736, 1764, 1953, 2084, 2232, 2604, 3038, 3126, 3528, 3647, 3906, 4168, 4557, 4689, 5208, 6076, 6252, 7294, 7812, 9114, 9378, 10941, 12152, 12504, 13671, 14588, 15624, 16151, 18228, 18756, 21882, 25529, 27342, 29176, 32302, 32823, 36456, 37512, 43764, 48453, 51058, 54684, 64604, 65646, 76587, 87528, 96906, 102116, 109368, 113057, 129208, 131292, 145359, 153174, 193812, 204232, 226114, 229761, 262584, 290718, 306348, 339171, 387624, 452228, 459522, 581436, 612696, 678342, 791399, 904456, 919044, 1017513, 1162872, 1356684, 1582798, 1838088, 2035026, 2374197, 2713368, 3165596, 4070052, 4748394, 6331192, 7122591, 8140104, 9496788, 14245182, 18993576, 28490364, 56980728]

約数ペア:

[(1, 56980728), (2, 28490364), (3, 18993576), (4, 14245182), (6, 9496788), (7, 8140104), (8, 7122591), (9, 6331192), (12, 4748394), (14, 4070052), (18, 3165596), (21, 2713368), (24, 2374197), (28, 2035026), (31, 1838088), (36, 1582798), (42, 1356684), (49, 1162872), (56, 1017513), (62, 919044), (63, 904456), (72, 791399), (84, 678342), (93, 612696), (98, 581436), (124, 459522), (126, 452228), (147, 387624), (168, 339171), (186, 306348), (196, 290718), (217, 262584), (248, 229761), (252, 226114), (279, 204232), (294, 193812), (372, 153174), (392, 145359), (434, 131292), (441, 129208), (504, 113057), (521, 109368), (558, 102116), (588, 96906), (651, 87528), (744, 76587), (868, 65646), (882, 64604), (1042, 54684), (1116, 51058), (1176, 48453), (1302, 43764), (1519, 37512), (1563, 36456), (1736, 32823), (1764, 32302), (1953, 29176), (2084, 27342), (2232, 25529), (2604, 21882), (3038, 18756), (3126, 18228), (3528, 16151), (3647, 15624), (3906, 14588), (4168, 13671), (4557, 12504), (4689, 12152), (5208, 10941), (6076, 9378), (6252, 9114), (7294, 7812)]