81405900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{3119}}^1$

素因数の和:3168

約数の個数: 108

約数和(自身を含む): 264045600

約数和(自身を除く): 182639700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 29, 30, 36, 45, 50, 58, 60, 75, 87, 90, 100, 116, 145, 150, 174, 180, 225, 261, 290, 300, 348, 435, 450, 522, 580, 725, 870, 900, 1044, 1305, 1450, 1740, 2175, 2610, 2900, 3119, 4350, 5220, 6238, 6525, 8700, 9357, 12476, 13050, 15595, 18714, 26100, 28071, 31190, 37428, 46785, 56142, 62380, 77975, 90451, 93570, 112284, 140355, 155950, 180902, 187140, 233925, 271353, 280710, 311900, 361804, 452255, 467850, 542706, 561420, 701775, 814059, 904510, 935700, 1085412, 1356765, 1403550, 1628118, 1809020, 2261275, 2713530, 2807100, 3256236, 4070295, 4522550, 5427060, 6783825, 8140590, 9045100, 13567650, 16281180, 20351475, 27135300, 40702950, 81405900]

約数ペア:

[(1, 81405900), (2, 40702950), (3, 27135300), (4, 20351475), (5, 16281180), (6, 13567650), (9, 9045100), (10, 8140590), (12, 6783825), (15, 5427060), (18, 4522550), (20, 4070295), (25, 3256236), (29, 2807100), (30, 2713530), (36, 2261275), (45, 1809020), (50, 1628118), (58, 1403550), (60, 1356765), (75, 1085412), (87, 935700), (90, 904510), (100, 814059), (116, 701775), (145, 561420), (150, 542706), (174, 467850), (180, 452255), (225, 361804), (261, 311900), (290, 280710), (300, 271353), (348, 233925), (435, 187140), (450, 180902), (522, 155950), (580, 140355), (725, 112284), (870, 93570), (900, 90451), (1044, 77975), (1305, 62380), (1450, 56142), (1740, 46785), (2175, 37428), (2610, 31190), (2900, 28071), (3119, 26100), (4350, 18714), (5220, 15595), (6238, 13050), (6525, 12476), (8700, 9357)]