142144000

素因数分解:

$2^9\times 5^3\times {\mathrm{2221}}^1$

素因数の和:2254

約数の個数: 80

約数和(自身を含む): 354604536

約数和(自身を除く): 212460536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 512, 640, 800, 1000, 1280, 1600, 2000, 2221, 2560, 3200, 4000, 4442, 6400, 8000, 8884, 11105, 12800, 16000, 17768, 22210, 32000, 35536, 44420, 55525, 64000, 71072, 88840, 111050, 142144, 177680, 222100, 277625, 284288, 355360, 444200, 555250, 568576, 710720, 888400, 1110500, 1137152, 1421440, 1776800, 2221000, 2842880, 3553600, 4442000, 5685760, 7107200, 8884000, 14214400, 17768000, 28428800, 35536000, 71072000, 142144000]

約数ペア:

[(1, 142144000), (2, 71072000), (4, 35536000), (5, 28428800), (8, 17768000), (10, 14214400), (16, 8884000), (20, 7107200), (25, 5685760), (32, 4442000), (40, 3553600), (50, 2842880), (64, 2221000), (80, 1776800), (100, 1421440), (125, 1137152), (128, 1110500), (160, 888400), (200, 710720), (250, 568576), (256, 555250), (320, 444200), (400, 355360), (500, 284288), (512, 277625), (640, 222100), (800, 177680), (1000, 142144), (1280, 111050), (1600, 88840), (2000, 71072), (2221, 64000), (2560, 55525), (3200, 44420), (4000, 35536), (4442, 32000), (6400, 22210), (8000, 17768), (8884, 16000), (11105, 12800)]