127976320

素因数分解:

$2^7\times 5^1\times {\mathrm{359}}^1\times {\mathrm{557}}^1$

素因数の和:935

約数の個数: 64

約数和(自身を含む): 307346400

約数和(自身を除く): 179370080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 359, 557, 640, 718, 1114, 1436, 1795, 2228, 2785, 2872, 3590, 4456, 5570, 5744, 7180, 8912, 11140, 11488, 14360, 17824, 22280, 22976, 28720, 35648, 44560, 45952, 57440, 71296, 89120, 114880, 178240, 199963, 229760, 356480, 399926, 799852, 999815, 1599704, 1999630, 3199408, 3999260, 6398816, 7998520, 12797632, 15997040, 25595264, 31994080, 63988160, 127976320]

約数ペア:

[(1, 127976320), (2, 63988160), (4, 31994080), (5, 25595264), (8, 15997040), (10, 12797632), (16, 7998520), (20, 6398816), (32, 3999260), (40, 3199408), (64, 1999630), (80, 1599704), (128, 999815), (160, 799852), (320, 399926), (359, 356480), (557, 229760), (640, 199963), (718, 178240), (1114, 114880), (1436, 89120), (1795, 71296), (2228, 57440), (2785, 45952), (2872, 44560), (3590, 35648), (4456, 28720), (5570, 22976), (5744, 22280), (7180, 17824), (8912, 14360), (11140, 11488)]