181221000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{2083}}^1$

素因数の和:2136

約数の個数: 128

約数和(自身を含む): 585187200

約数和(自身を除く): 403966200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 29, 30, 40, 50, 58, 60, 75, 87, 100, 116, 120, 125, 145, 150, 174, 200, 232, 250, 290, 300, 348, 375, 435, 500, 580, 600, 696, 725, 750, 870, 1000, 1160, 1450, 1500, 1740, 2083, 2175, 2900, 3000, 3480, 3625, 4166, 4350, 5800, 6249, 7250, 8332, 8700, 10415, 10875, 12498, 14500, 16664, 17400, 20830, 21750, 24996, 29000, 31245, 41660, 43500, 49992, 52075, 60407, 62490, 83320, 87000, 104150, 120814, 124980, 156225, 181221, 208300, 241628, 249960, 260375, 302035, 312450, 362442, 416600, 483256, 520750, 604070, 624900, 724884, 781125, 906105, 1041500, 1208140, 1249800, 1449768, 1510175, 1562250, 1812210, 2083000, 2416280, 3020350, 3124500, 3624420, 4530525, 6040700, 6249000, 7248840, 7550875, 9061050, 12081400, 15101750, 18122100, 22652625, 30203500, 36244200, 45305250, 60407000, 90610500, 181221000]

約数ペア:

[(1, 181221000), (2, 90610500), (3, 60407000), (4, 45305250), (5, 36244200), (6, 30203500), (8, 22652625), (10, 18122100), (12, 15101750), (15, 12081400), (20, 9061050), (24, 7550875), (25, 7248840), (29, 6249000), (30, 6040700), (40, 4530525), (50, 3624420), (58, 3124500), (60, 3020350), (75, 2416280), (87, 2083000), (100, 1812210), (116, 1562250), (120, 1510175), (125, 1449768), (145, 1249800), (150, 1208140), (174, 1041500), (200, 906105), (232, 781125), (250, 724884), (290, 624900), (300, 604070), (348, 520750), (375, 483256), (435, 416600), (500, 362442), (580, 312450), (600, 302035), (696, 260375), (725, 249960), (750, 241628), (870, 208300), (1000, 181221), (1160, 156225), (1450, 124980), (1500, 120814), (1740, 104150), (2083, 87000), (2175, 83320), (2900, 62490), (3000, 60407), (3480, 52075), (3625, 49992), (4166, 43500), (4350, 41660), (5800, 31245), (6249, 29000), (7250, 24996), (8332, 21750), (8700, 20830), (10415, 17400), (10875, 16664), (12498, 14500)]