31312470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 93312000

約数和(自身を除く): 61999530

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 49, 51, 70, 85, 98, 102, 105, 119, 147, 170, 179, 210, 238, 245, 255, 294, 343, 357, 358, 490, 510, 537, 595, 686, 714, 735, 833, 895, 1029, 1074, 1190, 1253, 1470, 1666, 1715, 1785, 1790, 2058, 2499, 2506, 2685, 3043, 3430, 3570, 3759, 4165, 4998, 5145, 5370, 5831, 6086, 6265, 7518, 8330, 8771, 9129, 10290, 11662, 12495, 12530, 15215, 17493, 17542, 18258, 18795, 21301, 24990, 26313, 29155, 30430, 34986, 37590, 42602, 43855, 45645, 52626, 58310, 61397, 63903, 87465, 87710, 91290, 106505, 122794, 127806, 131565, 149107, 174930, 184191, 213010, 263130, 298214, 306985, 319515, 368382, 447321, 613970, 639030, 745535, 894642, 920955, 1043749, 1491070, 1841910, 2087498, 2236605, 3131247, 4473210, 5218745, 6262494, 10437490, 15656235, 31312470]

約数ペア:

[(1, 31312470), (2, 15656235), (3, 10437490), (5, 6262494), (6, 5218745), (7, 4473210), (10, 3131247), (14, 2236605), (15, 2087498), (17, 1841910), (21, 1491070), (30, 1043749), (34, 920955), (35, 894642), (42, 745535), (49, 639030), (51, 613970), (70, 447321), (85, 368382), (98, 319515), (102, 306985), (105, 298214), (119, 263130), (147, 213010), (170, 184191), (179, 174930), (210, 149107), (238, 131565), (245, 127806), (255, 122794), (294, 106505), (343, 91290), (357, 87710), (358, 87465), (490, 63903), (510, 61397), (537, 58310), (595, 52626), (686, 45645), (714, 43855), (735, 42602), (833, 37590), (895, 34986), (1029, 30430), (1074, 29155), (1190, 26313), (1253, 24990), (1470, 21301), (1666, 18795), (1715, 18258), (1785, 17542), (1790, 17493), (2058, 15215), (2499, 12530), (2506, 12495), (2685, 11662), (3043, 10290), (3430, 9129), (3570, 8771), (3759, 8330), (4165, 7518), (4998, 6265), (5145, 6086), (5370, 5831)]