81536280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{859}}^1$

素因数の和:993

約数の個数: 128

約数和(自身を含む): 282355200

約数和(自身を除く): 200818920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 113, 120, 140, 168, 210, 226, 280, 339, 420, 452, 565, 678, 791, 840, 859, 904, 1130, 1356, 1582, 1695, 1718, 2260, 2373, 2577, 2712, 3164, 3390, 3436, 3955, 4295, 4520, 4746, 5154, 6013, 6328, 6780, 6872, 7910, 8590, 9492, 10308, 11865, 12026, 12885, 13560, 15820, 17180, 18039, 18984, 20616, 23730, 24052, 25770, 30065, 31640, 34360, 36078, 47460, 48104, 51540, 60130, 72156, 90195, 94920, 97067, 103080, 120260, 144312, 180390, 194134, 240520, 291201, 360780, 388268, 485335, 582402, 679469, 721560, 776536, 970670, 1164804, 1358938, 1456005, 1941340, 2038407, 2329608, 2717876, 2912010, 3397345, 3882680, 4076814, 5435752, 5824020, 6794690, 8153628, 10192035, 11648040, 13589380, 16307256, 20384070, 27178760, 40768140, 81536280]

約数ペア:

[(1, 81536280), (2, 40768140), (3, 27178760), (4, 20384070), (5, 16307256), (6, 13589380), (7, 11648040), (8, 10192035), (10, 8153628), (12, 6794690), (14, 5824020), (15, 5435752), (20, 4076814), (21, 3882680), (24, 3397345), (28, 2912010), (30, 2717876), (35, 2329608), (40, 2038407), (42, 1941340), (56, 1456005), (60, 1358938), (70, 1164804), (84, 970670), (105, 776536), (113, 721560), (120, 679469), (140, 582402), (168, 485335), (210, 388268), (226, 360780), (280, 291201), (339, 240520), (420, 194134), (452, 180390), (565, 144312), (678, 120260), (791, 103080), (840, 97067), (859, 94920), (904, 90195), (1130, 72156), (1356, 60130), (1582, 51540), (1695, 48104), (1718, 47460), (2260, 36078), (2373, 34360), (2577, 31640), (2712, 30065), (3164, 25770), (3390, 24052), (3436, 23730), (3955, 20616), (4295, 18984), (4520, 18039), (4746, 17180), (5154, 15820), (6013, 13560), (6328, 12885), (6780, 12026), (6872, 11865), (7910, 10308), (8590, 9492)]