261424980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2309}}^1$

素因数の和:2378

約数の個数: 144

約数和(自身を含む): 862701840

約数和(自身を除く): 601276860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 37, 45, 51, 60, 68, 74, 85, 90, 102, 111, 148, 153, 170, 180, 185, 204, 222, 255, 306, 333, 340, 370, 444, 510, 555, 612, 629, 666, 740, 765, 1020, 1110, 1258, 1332, 1530, 1665, 1887, 2220, 2309, 2516, 3060, 3145, 3330, 3774, 4618, 5661, 6290, 6660, 6927, 7548, 9236, 9435, 11322, 11545, 12580, 13854, 18870, 20781, 22644, 23090, 27708, 28305, 34635, 37740, 39253, 41562, 46180, 56610, 69270, 78506, 83124, 85433, 103905, 113220, 117759, 138540, 157012, 170866, 196265, 207810, 235518, 256299, 341732, 353277, 392530, 415620, 427165, 471036, 512598, 588795, 706554, 768897, 785060, 854330, 1025196, 1177590, 1281495, 1413108, 1452361, 1537794, 1708660, 1766385, 2355180, 2562990, 2904722, 3075588, 3532770, 3844485, 4357083, 5125980, 5809444, 7065540, 7261805, 7688970, 8714166, 13071249, 14523610, 15377940, 17428332, 21785415, 26142498, 29047220, 43570830, 52284996, 65356245, 87141660, 130712490, 261424980]

約数ペア:

[(1, 261424980), (2, 130712490), (3, 87141660), (4, 65356245), (5, 52284996), (6, 43570830), (9, 29047220), (10, 26142498), (12, 21785415), (15, 17428332), (17, 15377940), (18, 14523610), (20, 13071249), (30, 8714166), (34, 7688970), (36, 7261805), (37, 7065540), (45, 5809444), (51, 5125980), (60, 4357083), (68, 3844485), (74, 3532770), (85, 3075588), (90, 2904722), (102, 2562990), (111, 2355180), (148, 1766385), (153, 1708660), (170, 1537794), (180, 1452361), (185, 1413108), (204, 1281495), (222, 1177590), (255, 1025196), (306, 854330), (333, 785060), (340, 768897), (370, 706554), (444, 588795), (510, 512598), (555, 471036), (612, 427165), (629, 415620), (666, 392530), (740, 353277), (765, 341732), (1020, 256299), (1110, 235518), (1258, 207810), (1332, 196265), (1530, 170866), (1665, 157012), (1887, 138540), (2220, 117759), (2309, 113220), (2516, 103905), (3060, 85433), (3145, 83124), (3330, 78506), (3774, 69270), (4618, 56610), (5661, 46180), (6290, 41562), (6660, 39253), (6927, 37740), (7548, 34635), (9236, 28305), (9435, 27708), (11322, 23090), (11545, 22644), (12580, 20781), (13854, 18870)]