78899200

素因数分解:

$2^{11}\times 5^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 207174240

約数和(自身を除く): 128275040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 67, 80, 92, 100, 115, 128, 134, 160, 184, 200, 230, 256, 268, 320, 335, 368, 400, 460, 512, 536, 575, 640, 670, 736, 800, 920, 1024, 1072, 1150, 1280, 1340, 1472, 1541, 1600, 1675, 1840, 2048, 2144, 2300, 2560, 2680, 2944, 3082, 3200, 3350, 3680, 4288, 4600, 5120, 5360, 5888, 6164, 6400, 6700, 7360, 7705, 8576, 9200, 10240, 10720, 11776, 12328, 12800, 13400, 14720, 15410, 17152, 18400, 21440, 23552, 24656, 25600, 26800, 29440, 30820, 34304, 36800, 38525, 42880, 47104, 49312, 51200, 53600, 58880, 61640, 68608, 73600, 77050, 85760, 98624, 107200, 117760, 123280, 137216, 147200, 154100, 171520, 197248, 214400, 235520, 246560, 294400, 308200, 343040, 394496, 428800, 493120, 588800, 616400, 686080, 788992, 857600, 986240, 1177600, 1232800, 1577984, 1715200, 1972480, 2465600, 3155968, 3430400, 3944960, 4931200, 7889920, 9862400, 15779840, 19724800, 39449600, 78899200]

約数ペア:

[(1, 78899200), (2, 39449600), (4, 19724800), (5, 15779840), (8, 9862400), (10, 7889920), (16, 4931200), (20, 3944960), (23, 3430400), (25, 3155968), (32, 2465600), (40, 1972480), (46, 1715200), (50, 1577984), (64, 1232800), (67, 1177600), (80, 986240), (92, 857600), (100, 788992), (115, 686080), (128, 616400), (134, 588800), (160, 493120), (184, 428800), (200, 394496), (230, 343040), (256, 308200), (268, 294400), (320, 246560), (335, 235520), (368, 214400), (400, 197248), (460, 171520), (512, 154100), (536, 147200), (575, 137216), (640, 123280), (670, 117760), (736, 107200), (800, 98624), (920, 85760), (1024, 77050), (1072, 73600), (1150, 68608), (1280, 61640), (1340, 58880), (1472, 53600), (1541, 51200), (1600, 49312), (1675, 47104), (1840, 42880), (2048, 38525), (2144, 36800), (2300, 34304), (2560, 30820), (2680, 29440), (2944, 26800), (3082, 25600), (3200, 24656), (3350, 23552), (3680, 21440), (4288, 18400), (4600, 17152), (5120, 15410), (5360, 14720), (5888, 13400), (6164, 12800), (6400, 12328), (6700, 11776), (7360, 10720), (7705, 10240), (8576, 9200)]