90680320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:313

約数の個数: 88

約数和(自身を含む): 221076000

約数和(自身を除く): 130395680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 199, 256, 320, 356, 398, 445, 512, 640, 712, 796, 890, 995, 1024, 1280, 1424, 1592, 1780, 1990, 2560, 2848, 3184, 3560, 3980, 5120, 5696, 6368, 7120, 7960, 11392, 12736, 14240, 15920, 17711, 22784, 25472, 28480, 31840, 35422, 45568, 50944, 56960, 63680, 70844, 88555, 91136, 101888, 113920, 127360, 141688, 177110, 203776, 227840, 254720, 283376, 354220, 455680, 509440, 566752, 708440, 1018880, 1133504, 1416880, 2267008, 2833760, 4534016, 5667520, 9068032, 11335040, 18136064, 22670080, 45340160, 90680320]

約数ペア:

[(1, 90680320), (2, 45340160), (4, 22670080), (5, 18136064), (8, 11335040), (10, 9068032), (16, 5667520), (20, 4534016), (32, 2833760), (40, 2267008), (64, 1416880), (80, 1133504), (89, 1018880), (128, 708440), (160, 566752), (178, 509440), (199, 455680), (256, 354220), (320, 283376), (356, 254720), (398, 227840), (445, 203776), (512, 177110), (640, 141688), (712, 127360), (796, 113920), (890, 101888), (995, 91136), (1024, 88555), (1280, 70844), (1424, 63680), (1592, 56960), (1780, 50944), (1990, 45568), (2560, 35422), (2848, 31840), (3184, 28480), (3560, 25472), (3980, 22784), (5120, 17711), (5696, 15920), (6368, 14240), (7120, 12736), (7960, 11392)]