27845120

素因数分解:

$2^9\times 5^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 80

約数和(自身を含む): 68131800

約数和(自身を除く): 40286680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 149, 160, 256, 292, 298, 320, 365, 512, 584, 596, 640, 730, 745, 1168, 1192, 1280, 1460, 1490, 2336, 2384, 2560, 2920, 2980, 4672, 4768, 5840, 5960, 9344, 9536, 10877, 11680, 11920, 18688, 19072, 21754, 23360, 23840, 37376, 38144, 43508, 46720, 47680, 54385, 76288, 87016, 93440, 95360, 108770, 174032, 186880, 190720, 217540, 348064, 381440, 435080, 696128, 870160, 1392256, 1740320, 2784512, 3480640, 5569024, 6961280, 13922560, 27845120]

約数ペア:

[(1, 27845120), (2, 13922560), (4, 6961280), (5, 5569024), (8, 3480640), (10, 2784512), (16, 1740320), (20, 1392256), (32, 870160), (40, 696128), (64, 435080), (73, 381440), (80, 348064), (128, 217540), (146, 190720), (149, 186880), (160, 174032), (256, 108770), (292, 95360), (298, 93440), (320, 87016), (365, 76288), (512, 54385), (584, 47680), (596, 46720), (640, 43508), (730, 38144), (745, 37376), (1168, 23840), (1192, 23360), (1280, 21754), (1460, 19072), (1490, 18688), (2336, 11920), (2384, 11680), (2560, 10877), (2920, 9536), (2980, 9344), (4672, 5960), (4768, 5840)]