81454800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{9697}}^1$

素因数の和:9725

約数の個数: 120

約数和(自身を含む): 298232896

約数和(自身を除く): 216778096

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 2100, 2800, 4200, 8400, 9697, 19394, 29091, 38788, 48485, 58182, 67879, 77576, 96970, 116364, 135758, 145455, 155152, 193940, 203637, 232728, 242425, 271516, 290910, 339395, 387880, 407274, 465456, 484850, 543032, 581820, 678790, 727275, 775760, 814548, 969700, 1018185, 1086064, 1163640, 1357580, 1454550, 1629096, 1696975, 1939400, 2036370, 2327280, 2715160, 2909100, 3258192, 3393950, 3878800, 4072740, 5090925, 5430320, 5818200, 6787900, 8145480, 10181850, 11636400, 13575800, 16290960, 20363700, 27151600, 40727400, 81454800]

約数ペア:

[(1, 81454800), (2, 40727400), (3, 27151600), (4, 20363700), (5, 16290960), (6, 13575800), (7, 11636400), (8, 10181850), (10, 8145480), (12, 6787900), (14, 5818200), (15, 5430320), (16, 5090925), (20, 4072740), (21, 3878800), (24, 3393950), (25, 3258192), (28, 2909100), (30, 2715160), (35, 2327280), (40, 2036370), (42, 1939400), (48, 1696975), (50, 1629096), (56, 1454550), (60, 1357580), (70, 1163640), (75, 1086064), (80, 1018185), (84, 969700), (100, 814548), (105, 775760), (112, 727275), (120, 678790), (140, 581820), (150, 543032), (168, 484850), (175, 465456), (200, 407274), (210, 387880), (240, 339395), (280, 290910), (300, 271516), (336, 242425), (350, 232728), (400, 203637), (420, 193940), (525, 155152), (560, 145455), (600, 135758), (700, 116364), (840, 96970), (1050, 77576), (1200, 67879), (1400, 58182), (1680, 48485), (2100, 38788), (2800, 29091), (4200, 19394), (8400, 9697)]