725927680

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1571}}^1$

素因数の和:1630

約数の個数: 108

約数和(自身を含む): 1836325512

約数和(自身を除く): 1110397832

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 361, 380, 608, 640, 722, 760, 1216, 1280, 1444, 1520, 1571, 1805, 2432, 2888, 3040, 3142, 3610, 4864, 5776, 6080, 6284, 7220, 7855, 11552, 12160, 12568, 14440, 15710, 23104, 24320, 25136, 28880, 29849, 31420, 46208, 50272, 57760, 59698, 62840, 92416, 100544, 115520, 119396, 125680, 149245, 201088, 231040, 238792, 251360, 298490, 402176, 462080, 477584, 502720, 567131, 596980, 955168, 1005440, 1134262, 1193960, 1910336, 2010880, 2268524, 2387920, 2835655, 3820672, 4537048, 4775840, 5671310, 7641344, 9074096, 9551680, 11342620, 18148192, 19103360, 22685240, 36296384, 38206720, 45370480, 72592768, 90740960, 145185536, 181481920, 362963840, 725927680]

約数ペア:

[(1, 725927680), (2, 362963840), (4, 181481920), (5, 145185536), (8, 90740960), (10, 72592768), (16, 45370480), (19, 38206720), (20, 36296384), (32, 22685240), (38, 19103360), (40, 18148192), (64, 11342620), (76, 9551680), (80, 9074096), (95, 7641344), (128, 5671310), (152, 4775840), (160, 4537048), (190, 3820672), (256, 2835655), (304, 2387920), (320, 2268524), (361, 2010880), (380, 1910336), (608, 1193960), (640, 1134262), (722, 1005440), (760, 955168), (1216, 596980), (1280, 567131), (1444, 502720), (1520, 477584), (1571, 462080), (1805, 402176), (2432, 298490), (2888, 251360), (3040, 238792), (3142, 231040), (3610, 201088), (4864, 149245), (5776, 125680), (6080, 119396), (6284, 115520), (7220, 100544), (7855, 92416), (11552, 62840), (12160, 59698), (12568, 57760), (14440, 50272), (15710, 46208), (23104, 31420), (24320, 29849), (25136, 28880)]