81257600

素因数分解:

$2^7\times 5^2\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:470

約数の個数: 96

約数和(自身を含む): 204265200

約数和(自身を除く): 123007600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 67, 80, 100, 128, 134, 160, 200, 268, 320, 335, 379, 400, 536, 640, 670, 758, 800, 1072, 1340, 1516, 1600, 1675, 1895, 2144, 2680, 3032, 3200, 3350, 3790, 4288, 5360, 6064, 6700, 7580, 8576, 9475, 10720, 12128, 13400, 15160, 18950, 21440, 24256, 25393, 26800, 30320, 37900, 42880, 48512, 50786, 53600, 60640, 75800, 101572, 107200, 121280, 126965, 151600, 203144, 214400, 242560, 253930, 303200, 406288, 507860, 606400, 634825, 812576, 1015720, 1212800, 1269650, 1625152, 2031440, 2539300, 3250304, 4062880, 5078600, 8125760, 10157200, 16251520, 20314400, 40628800, 81257600]

約数ペア:

[(1, 81257600), (2, 40628800), (4, 20314400), (5, 16251520), (8, 10157200), (10, 8125760), (16, 5078600), (20, 4062880), (25, 3250304), (32, 2539300), (40, 2031440), (50, 1625152), (64, 1269650), (67, 1212800), (80, 1015720), (100, 812576), (128, 634825), (134, 606400), (160, 507860), (200, 406288), (268, 303200), (320, 253930), (335, 242560), (379, 214400), (400, 203144), (536, 151600), (640, 126965), (670, 121280), (758, 107200), (800, 101572), (1072, 75800), (1340, 60640), (1516, 53600), (1600, 50786), (1675, 48512), (1895, 42880), (2144, 37900), (2680, 30320), (3032, 26800), (3200, 25393), (3350, 24256), (3790, 21440), (4288, 18950), (5360, 15160), (6064, 13400), (6700, 12128), (7580, 10720), (8576, 9475)]