72908800

素因数分解:

$2^{15}\times 5^2\times {\mathrm{89}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 182842650

約数和(自身を除く): 109933850

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 89, 100, 128, 160, 178, 200, 256, 320, 356, 400, 445, 512, 640, 712, 800, 890, 1024, 1280, 1424, 1600, 1780, 2048, 2225, 2560, 2848, 3200, 3560, 4096, 4450, 5120, 5696, 6400, 7120, 8192, 8900, 10240, 11392, 12800, 14240, 16384, 17800, 20480, 22784, 25600, 28480, 32768, 35600, 40960, 45568, 51200, 56960, 71200, 81920, 91136, 102400, 113920, 142400, 163840, 182272, 204800, 227840, 284800, 364544, 409600, 455680, 569600, 729088, 819200, 911360, 1139200, 1458176, 1822720, 2278400, 2916352, 3645440, 4556800, 7290880, 9113600, 14581760, 18227200, 36454400, 72908800]

約数ペア:

[(1, 72908800), (2, 36454400), (4, 18227200), (5, 14581760), (8, 9113600), (10, 7290880), (16, 4556800), (20, 3645440), (25, 2916352), (32, 2278400), (40, 1822720), (50, 1458176), (64, 1139200), (80, 911360), (89, 819200), (100, 729088), (128, 569600), (160, 455680), (178, 409600), (200, 364544), (256, 284800), (320, 227840), (356, 204800), (400, 182272), (445, 163840), (512, 142400), (640, 113920), (712, 102400), (800, 91136), (890, 81920), (1024, 71200), (1280, 56960), (1424, 51200), (1600, 45568), (1780, 40960), (2048, 35600), (2225, 32768), (2560, 28480), (2848, 25600), (3200, 22784), (3560, 20480), (4096, 17800), (4450, 16384), (5120, 14240), (5696, 12800), (6400, 11392), (7120, 10240), (8192, 8900)]