81296784

素因数分解:

$2^4\times 3^4\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:590

約数の個数: 100

約数和(自身を含む): 237438300

約数和(自身を除く): 156141516

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 149, 162, 216, 298, 324, 421, 432, 447, 596, 648, 842, 894, 1192, 1263, 1296, 1341, 1684, 1788, 2384, 2526, 2682, 3368, 3576, 3789, 4023, 5052, 5364, 6736, 7152, 7578, 8046, 10104, 10728, 11367, 12069, 15156, 16092, 20208, 21456, 22734, 24138, 30312, 32184, 34101, 45468, 48276, 60624, 62729, 64368, 68202, 90936, 96552, 125458, 136404, 181872, 188187, 193104, 250916, 272808, 376374, 501832, 545616, 564561, 752748, 1003664, 1129122, 1505496, 1693683, 2258244, 3010992, 3387366, 4516488, 5081049, 6774732, 9032976, 10162098, 13549464, 20324196, 27098928, 40648392, 81296784]

約数ペア:

[(1, 81296784), (2, 40648392), (3, 27098928), (4, 20324196), (6, 13549464), (8, 10162098), (9, 9032976), (12, 6774732), (16, 5081049), (18, 4516488), (24, 3387366), (27, 3010992), (36, 2258244), (48, 1693683), (54, 1505496), (72, 1129122), (81, 1003664), (108, 752748), (144, 564561), (149, 545616), (162, 501832), (216, 376374), (298, 272808), (324, 250916), (421, 193104), (432, 188187), (447, 181872), (596, 136404), (648, 125458), (842, 96552), (894, 90936), (1192, 68202), (1263, 64368), (1296, 62729), (1341, 60624), (1684, 48276), (1788, 45468), (2384, 34101), (2526, 32184), (2682, 30312), (3368, 24138), (3576, 22734), (3789, 21456), (4023, 20208), (5052, 16092), (5364, 15156), (6736, 12069), (7152, 11367), (7578, 10728), (8046, 10104)]