259977760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{643}}^1$

素因数の和:703

約数の個数: 144

約数和(自身を含む): 741980736

約数和(自身を除く): 482002976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 361, 380, 532, 560, 608, 643, 665, 722, 760, 1064, 1120, 1286, 1330, 1444, 1520, 1805, 2128, 2527, 2572, 2660, 2888, 3040, 3215, 3610, 4256, 4501, 5054, 5144, 5320, 5776, 6430, 7220, 9002, 10108, 10288, 10640, 11552, 12217, 12635, 12860, 14440, 18004, 20216, 20576, 21280, 22505, 24434, 25270, 25720, 28880, 36008, 40432, 45010, 48868, 50540, 51440, 57760, 61085, 72016, 80864, 85519, 90020, 97736, 101080, 102880, 122170, 144032, 171038, 180040, 195472, 202160, 232123, 244340, 342076, 360080, 390944, 404320, 427595, 464246, 488680, 684152, 720160, 855190, 928492, 977360, 1160615, 1368304, 1624861, 1710380, 1856984, 1954720, 2321230, 2736608, 3249722, 3420760, 3713968, 4642460, 6499444, 6841520, 7427936, 8124305, 9284920, 12998888, 13683040, 16248610, 18569840, 25997776, 32497220, 37139680, 51995552, 64994440, 129988880, 259977760]

約数ペア:

[(1, 259977760), (2, 129988880), (4, 64994440), (5, 51995552), (7, 37139680), (8, 32497220), (10, 25997776), (14, 18569840), (16, 16248610), (19, 13683040), (20, 12998888), (28, 9284920), (32, 8124305), (35, 7427936), (38, 6841520), (40, 6499444), (56, 4642460), (70, 3713968), (76, 3420760), (80, 3249722), (95, 2736608), (112, 2321230), (133, 1954720), (140, 1856984), (152, 1710380), (160, 1624861), (190, 1368304), (224, 1160615), (266, 977360), (280, 928492), (304, 855190), (361, 720160), (380, 684152), (532, 488680), (560, 464246), (608, 427595), (643, 404320), (665, 390944), (722, 360080), (760, 342076), (1064, 244340), (1120, 232123), (1286, 202160), (1330, 195472), (1444, 180040), (1520, 171038), (1805, 144032), (2128, 122170), (2527, 102880), (2572, 101080), (2660, 97736), (2888, 90020), (3040, 85519), (3215, 80864), (3610, 72016), (4256, 61085), (4501, 57760), (5054, 51440), (5144, 50540), (5320, 48868), (5776, 45010), (6430, 40432), (7220, 36008), (9002, 28880), (10108, 25720), (10288, 25270), (10640, 24434), (11552, 22505), (12217, 21280), (12635, 20576), (12860, 20216), (14440, 18004)]