78156800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 132

約数和(自身を含む): 201031776

約数和(自身を除く): 122874976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 71, 80, 86, 100, 128, 142, 160, 172, 200, 215, 256, 284, 320, 344, 355, 400, 430, 512, 568, 640, 688, 710, 800, 860, 1024, 1075, 1136, 1280, 1376, 1420, 1600, 1720, 1775, 2150, 2272, 2560, 2752, 2840, 3053, 3200, 3440, 3550, 4300, 4544, 5120, 5504, 5680, 6106, 6400, 6880, 7100, 8600, 9088, 11008, 11360, 12212, 12800, 13760, 14200, 15265, 17200, 18176, 22016, 22720, 24424, 25600, 27520, 28400, 30530, 34400, 36352, 44032, 45440, 48848, 55040, 56800, 61060, 68800, 72704, 76325, 90880, 97696, 110080, 113600, 122120, 137600, 152650, 181760, 195392, 220160, 227200, 244240, 275200, 305300, 363520, 390784, 454400, 488480, 550400, 610600, 781568, 908800, 976960, 1100800, 1221200, 1563136, 1817600, 1953920, 2442400, 3126272, 3907840, 4884800, 7815680, 9769600, 15631360, 19539200, 39078400, 78156800]

約数ペア:

[(1, 78156800), (2, 39078400), (4, 19539200), (5, 15631360), (8, 9769600), (10, 7815680), (16, 4884800), (20, 3907840), (25, 3126272), (32, 2442400), (40, 1953920), (43, 1817600), (50, 1563136), (64, 1221200), (71, 1100800), (80, 976960), (86, 908800), (100, 781568), (128, 610600), (142, 550400), (160, 488480), (172, 454400), (200, 390784), (215, 363520), (256, 305300), (284, 275200), (320, 244240), (344, 227200), (355, 220160), (400, 195392), (430, 181760), (512, 152650), (568, 137600), (640, 122120), (688, 113600), (710, 110080), (800, 97696), (860, 90880), (1024, 76325), (1075, 72704), (1136, 68800), (1280, 61060), (1376, 56800), (1420, 55040), (1600, 48848), (1720, 45440), (1775, 44032), (2150, 36352), (2272, 34400), (2560, 30530), (2752, 28400), (2840, 27520), (3053, 25600), (3200, 24424), (3440, 22720), (3550, 22016), (4300, 18176), (4544, 17200), (5120, 15265), (5504, 14200), (5680, 13760), (6106, 12800), (6400, 12212), (6880, 11360), (7100, 11008), (8600, 9088)]