128559831040

素因数分解:

$2^{11}\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{9091}}^1$

素因数の和:10499

約数の個数: 96

約数和(自身を含む): 308725588080

約数和(自身を除く): 180165757040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 1381, 2048, 2560, 2762, 5120, 5524, 6905, 9091, 10240, 11048, 13810, 18182, 22096, 27620, 36364, 44192, 45455, 55240, 72728, 88384, 90910, 110480, 145456, 176768, 181820, 220960, 290912, 353536, 363640, 441920, 581824, 707072, 727280, 883840, 1163648, 1414144, 1454560, 1767680, 2327296, 2828288, 2909120, 3535360, 4654592, 5818240, 7070720, 9309184, 11636480, 12554671, 14141440, 18618368, 23272960, 25109342, 46545920, 50218684, 62773355, 93091840, 100437368, 125546710, 200874736, 251093420, 401749472, 502186840, 803498944, 1004373680, 1606997888, 2008747360, 3213995776, 4017494720, 6427991552, 8034989440, 12855983104, 16069978880, 25711966208, 32139957760, 64279915520, 128559831040]

約数ペア:

[(1, 128559831040), (2, 64279915520), (4, 32139957760), (5, 25711966208), (8, 16069978880), (10, 12855983104), (16, 8034989440), (20, 6427991552), (32, 4017494720), (40, 3213995776), (64, 2008747360), (80, 1606997888), (128, 1004373680), (160, 803498944), (256, 502186840), (320, 401749472), (512, 251093420), (640, 200874736), (1024, 125546710), (1280, 100437368), (1381, 93091840), (2048, 62773355), (2560, 50218684), (2762, 46545920), (5120, 25109342), (5524, 23272960), (6905, 18618368), (9091, 14141440), (10240, 12554671), (11048, 11636480), (13810, 9309184), (18182, 7070720), (22096, 5818240), (27620, 4654592), (36364, 3535360), (44192, 2909120), (45455, 2828288), (55240, 2327296), (72728, 1767680), (88384, 1454560), (90910, 1414144), (110480, 1163648), (145456, 883840), (176768, 727280), (181820, 707072), (220960, 581824), (290912, 441920), (353536, 363640)]