7620271280

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{5021}}^1$

素因数の和:5406

約数の個数: 80

約数和(自身を含む): 18069075648

約数和(自身を除く): 10448804368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 311, 488, 610, 622, 976, 1220, 1244, 1555, 2440, 2488, 3110, 4880, 4976, 5021, 6220, 10042, 12440, 18971, 20084, 24880, 25105, 37942, 40168, 50210, 75884, 80336, 94855, 100420, 151768, 189710, 200840, 303536, 306281, 379420, 401680, 612562, 758840, 1225124, 1517680, 1531405, 1561531, 2450248, 3062810, 3123062, 4900496, 6125620, 6246124, 7807655, 12251240, 12492248, 15615310, 24502480, 24984496, 31230620, 62461240, 95253391, 124922480, 190506782, 381013564, 476266955, 762027128, 952533910, 1524054256, 1905067820, 3810135640, 7620271280]

約数ペア:

[(1, 7620271280), (2, 3810135640), (4, 1905067820), (5, 1524054256), (8, 952533910), (10, 762027128), (16, 476266955), (20, 381013564), (40, 190506782), (61, 124922480), (80, 95253391), (122, 62461240), (244, 31230620), (305, 24984496), (311, 24502480), (488, 15615310), (610, 12492248), (622, 12251240), (976, 7807655), (1220, 6246124), (1244, 6125620), (1555, 4900496), (2440, 3123062), (2488, 3062810), (3110, 2450248), (4880, 1561531), (4976, 1531405), (5021, 1517680), (6220, 1225124), (10042, 758840), (12440, 612562), (18971, 401680), (20084, 379420), (24880, 306281), (25105, 303536), (37942, 200840), (40168, 189710), (50210, 151768), (75884, 100420), (80336, 94855)]