31361940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:346

約数の個数: 144

約数和(自身を含む): 103822992

約数和(自身を除く): 72461052

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, 277, 306, 333, 340, 370, 444, 510, 554, 555, 612, 629, 666, 740, 765, 831, 1020, 1108, 1110, 1258, 1332, 1385, 1530, 1662, 1665, 1887, 2220, 2493, 2516, 2770, 3060, 3145, 3324, 3330, 3774, 4155, 4709, 4986, 5540, 5661, 6290, 6660, 7548, 8310, 9418, 9435, 9972, 10249, 11322, 12465, 12580, 14127, 16620, 18836, 18870, 20498, 22644, 23545, 24930, 28254, 28305, 30747, 37740, 40996, 42381, 47090, 49860, 51245, 56508, 56610, 61494, 70635, 84762, 92241, 94180, 102490, 113220, 122988, 141270, 153735, 169524, 174233, 184482, 204980, 211905, 282540, 307470, 348466, 368964, 423810, 461205, 522699, 614940, 696932, 847620, 871165, 922410, 1045398, 1568097, 1742330, 1844820, 2090796, 2613495, 3136194, 3484660, 5226990, 6272388, 7840485, 10453980, 15680970, 31361940]

約数ペア:

[(1, 31361940), (2, 15680970), (3, 10453980), (4, 7840485), (5, 6272388), (6, 5226990), (9, 3484660), (10, 3136194), (12, 2613495), (15, 2090796), (17, 1844820), (18, 1742330), (20, 1568097), (30, 1045398), (34, 922410), (36, 871165), (37, 847620), (45, 696932), (51, 614940), (60, 522699), (68, 461205), (74, 423810), (85, 368964), (90, 348466), (102, 307470), (111, 282540), (148, 211905), (153, 204980), (170, 184482), (180, 174233), (185, 169524), (204, 153735), (222, 141270), (255, 122988), (277, 113220), (306, 102490), (333, 94180), (340, 92241), (370, 84762), (444, 70635), (510, 61494), (554, 56610), (555, 56508), (612, 51245), (629, 49860), (666, 47090), (740, 42381), (765, 40996), (831, 37740), (1020, 30747), (1108, 28305), (1110, 28254), (1258, 24930), (1332, 23545), (1385, 22644), (1530, 20498), (1662, 18870), (1665, 18836), (1887, 16620), (2220, 14127), (2493, 12580), (2516, 12465), (2770, 11322), (3060, 10249), (3145, 9972), (3324, 9435), (3330, 9418), (3774, 8310), (4155, 7548), (4709, 6660), (4986, 6290), (5540, 5661)]