81403080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{743}}^1$

素因数の和:851

約数の個数: 128

約数和(自身を含む): 269982720

約数和(自身を除く): 188579640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 83, 88, 110, 120, 132, 165, 166, 220, 249, 264, 330, 332, 415, 440, 498, 660, 664, 743, 830, 913, 996, 1245, 1320, 1486, 1660, 1826, 1992, 2229, 2490, 2739, 2972, 3320, 3652, 3715, 4458, 4565, 4980, 5478, 5944, 7304, 7430, 8173, 8916, 9130, 9960, 10956, 11145, 13695, 14860, 16346, 17832, 18260, 21912, 22290, 24519, 27390, 29720, 32692, 36520, 40865, 44580, 49038, 54780, 61669, 65384, 81730, 89160, 98076, 109560, 122595, 123338, 163460, 185007, 196152, 245190, 246676, 308345, 326920, 370014, 490380, 493352, 616690, 678359, 740028, 925035, 980760, 1233380, 1356718, 1480056, 1850070, 2035077, 2466760, 2713436, 3391795, 3700140, 4070154, 5426872, 6783590, 7400280, 8140308, 10175385, 13567180, 16280616, 20350770, 27134360, 40701540, 81403080]

約数ペア:

[(1, 81403080), (2, 40701540), (3, 27134360), (4, 20350770), (5, 16280616), (6, 13567180), (8, 10175385), (10, 8140308), (11, 7400280), (12, 6783590), (15, 5426872), (20, 4070154), (22, 3700140), (24, 3391795), (30, 2713436), (33, 2466760), (40, 2035077), (44, 1850070), (55, 1480056), (60, 1356718), (66, 1233380), (83, 980760), (88, 925035), (110, 740028), (120, 678359), (132, 616690), (165, 493352), (166, 490380), (220, 370014), (249, 326920), (264, 308345), (330, 246676), (332, 245190), (415, 196152), (440, 185007), (498, 163460), (660, 123338), (664, 122595), (743, 109560), (830, 98076), (913, 89160), (996, 81730), (1245, 65384), (1320, 61669), (1486, 54780), (1660, 49038), (1826, 44580), (1992, 40865), (2229, 36520), (2490, 32692), (2739, 29720), (2972, 27390), (3320, 24519), (3652, 22290), (3715, 21912), (4458, 18260), (4565, 17832), (4980, 16346), (5478, 14860), (5944, 13695), (7304, 11145), (7430, 10956), (8173, 9960), (8916, 9130)]