56781480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2939}}^1$

素因数の和:2983

約数の個数: 128

約数和(自身を含む): 203212800

約数和(自身を除く): 146431320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 2939, 3220, 3864, 4830, 5878, 6440, 8817, 9660, 11756, 14695, 17634, 19320, 20573, 23512, 29390, 35268, 41146, 44085, 58780, 61719, 67597, 70536, 82292, 88170, 102865, 117560, 123438, 135194, 164584, 176340, 202791, 205730, 246876, 270388, 308595, 337985, 352680, 405582, 411460, 473179, 493752, 540776, 617190, 675970, 811164, 822920, 946358, 1013955, 1234380, 1351940, 1419537, 1622328, 1892716, 2027910, 2365895, 2468760, 2703880, 2839074, 3785432, 4055820, 4731790, 5678148, 7097685, 8111640, 9463580, 11356296, 14195370, 18927160, 28390740, 56781480]

約数ペア:

[(1, 56781480), (2, 28390740), (3, 18927160), (4, 14195370), (5, 11356296), (6, 9463580), (7, 8111640), (8, 7097685), (10, 5678148), (12, 4731790), (14, 4055820), (15, 3785432), (20, 2839074), (21, 2703880), (23, 2468760), (24, 2365895), (28, 2027910), (30, 1892716), (35, 1622328), (40, 1419537), (42, 1351940), (46, 1234380), (56, 1013955), (60, 946358), (69, 822920), (70, 811164), (84, 675970), (92, 617190), (105, 540776), (115, 493752), (120, 473179), (138, 411460), (140, 405582), (161, 352680), (168, 337985), (184, 308595), (210, 270388), (230, 246876), (276, 205730), (280, 202791), (322, 176340), (345, 164584), (420, 135194), (460, 123438), (483, 117560), (552, 102865), (644, 88170), (690, 82292), (805, 70536), (840, 67597), (920, 61719), (966, 58780), (1288, 44085), (1380, 41146), (1610, 35268), (1932, 29390), (2415, 23512), (2760, 20573), (2939, 19320), (3220, 17634), (3864, 14695), (4830, 11756), (5878, 9660), (6440, 8817)]