808220720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{5711}}^1$

素因数の和:5814

約数の個数: 80

約数和(自身を含む): 1976123520

約数和(自身を除く): 1167902800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 61, 80, 116, 122, 145, 232, 244, 290, 305, 464, 488, 580, 610, 976, 1160, 1220, 1769, 2320, 2440, 3538, 4880, 5711, 7076, 8845, 11422, 14152, 17690, 22844, 28304, 28555, 35380, 45688, 57110, 70760, 91376, 114220, 141520, 165619, 228440, 331238, 348371, 456880, 662476, 696742, 828095, 1324952, 1393484, 1656190, 1741855, 2649904, 2786968, 3312380, 3483710, 5573936, 6624760, 6967420, 10102759, 13249520, 13934840, 20205518, 27869680, 40411036, 50513795, 80822072, 101027590, 161644144, 202055180, 404110360, 808220720]

約数ペア:

[(1, 808220720), (2, 404110360), (4, 202055180), (5, 161644144), (8, 101027590), (10, 80822072), (16, 50513795), (20, 40411036), (29, 27869680), (40, 20205518), (58, 13934840), (61, 13249520), (80, 10102759), (116, 6967420), (122, 6624760), (145, 5573936), (232, 3483710), (244, 3312380), (290, 2786968), (305, 2649904), (464, 1741855), (488, 1656190), (580, 1393484), (610, 1324952), (976, 828095), (1160, 696742), (1220, 662476), (1769, 456880), (2320, 348371), (2440, 331238), (3538, 228440), (4880, 165619), (5711, 141520), (7076, 114220), (8845, 91376), (11422, 70760), (14152, 57110), (17690, 45688), (22844, 35380), (28304, 28555)]