315128940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17449}}^1$

素因数の和:17511

約数の個数: 96

約数和(自身を含む): 1031923200

約数和(自身を除く): 716794260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 172, 210, 215, 258, 301, 420, 430, 516, 602, 645, 860, 903, 1204, 1290, 1505, 1806, 2580, 3010, 3612, 4515, 6020, 9030, 17449, 18060, 34898, 52347, 69796, 87245, 104694, 122143, 174490, 209388, 244286, 261735, 348980, 366429, 488572, 523470, 610715, 732858, 750307, 1046940, 1221430, 1465716, 1500614, 1832145, 2250921, 2442860, 3001228, 3664290, 3751535, 4501842, 5252149, 7328580, 7503070, 9003684, 10504298, 11254605, 15006140, 15756447, 21008596, 22509210, 26260745, 31512894, 45018420, 52521490, 63025788, 78782235, 105042980, 157564470, 315128940]

約数ペア:

[(1, 315128940), (2, 157564470), (3, 105042980), (4, 78782235), (5, 63025788), (6, 52521490), (7, 45018420), (10, 31512894), (12, 26260745), (14, 22509210), (15, 21008596), (20, 15756447), (21, 15006140), (28, 11254605), (30, 10504298), (35, 9003684), (42, 7503070), (43, 7328580), (60, 5252149), (70, 4501842), (84, 3751535), (86, 3664290), (105, 3001228), (129, 2442860), (140, 2250921), (172, 1832145), (210, 1500614), (215, 1465716), (258, 1221430), (301, 1046940), (420, 750307), (430, 732858), (516, 610715), (602, 523470), (645, 488572), (860, 366429), (903, 348980), (1204, 261735), (1290, 244286), (1505, 209388), (1806, 174490), (2580, 122143), (3010, 104694), (3612, 87245), (4515, 69796), (6020, 52347), (9030, 34898), (17449, 18060)]