247996980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{617}}^1$

素因数の和:679

約数の個数: 288

約数和(自身を含む): 971792640

約数和(自身を除く): 723795660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 29, 30, 33, 35, 36, 42, 44, 45, 55, 58, 60, 63, 66, 70, 77, 84, 87, 90, 99, 105, 110, 116, 126, 132, 140, 145, 154, 165, 174, 180, 198, 203, 210, 220, 231, 252, 261, 290, 308, 315, 319, 330, 348, 385, 396, 406, 420, 435, 462, 495, 522, 580, 609, 617, 630, 638, 660, 693, 770, 812, 870, 924, 957, 990, 1015, 1044, 1155, 1218, 1234, 1260, 1276, 1305, 1386, 1540, 1595, 1740, 1827, 1851, 1914, 1980, 2030, 2233, 2310, 2436, 2468, 2610, 2772, 2871, 3045, 3085, 3190, 3465, 3654, 3702, 3828, 4060, 4319, 4466, 4620, 4785, 5220, 5553, 5742, 6090, 6170, 6380, 6699, 6787, 6930, 7308, 7404, 8638, 8932, 9135, 9255, 9570, 11106, 11165, 11484, 12180, 12340, 12957, 13398, 13574, 13860, 14355, 17276, 17893, 18270, 18510, 19140, 20097, 20361, 21595, 22212, 22330, 25914, 26796, 27148, 27765, 28710, 33495, 33935, 35786, 36540, 37020, 38871, 40194, 40722, 43190, 44660, 47509, 51828, 53679, 55530, 57420, 61083, 64785, 66990, 67870, 71572, 77742, 80388, 81444, 86380, 89465, 95018, 100485, 101805, 107358, 111060, 122166, 125251, 129570, 133980, 135740, 142527, 155484, 161037, 178930, 190036, 194355, 196823, 200970, 203610, 214716, 237545, 244332, 250502, 259140, 268395, 285054, 305415, 322074, 357860, 375753, 388710, 393646, 401940, 407220, 427581, 475090, 501004, 536790, 570108, 590469, 610830, 626255, 644148, 712635, 751506, 777420, 787292, 805185, 855162, 950180, 984115, 1073580, 1127259, 1180938, 1221660, 1252510, 1377761, 1425270, 1503012, 1610370, 1710324, 1771407, 1878765, 1968230, 2137905, 2254518, 2361876, 2505020, 2755522, 2850540, 2952345, 3220740, 3542814, 3757530, 3936460, 4133283, 4275810, 4509036, 5511044, 5636295, 5904690, 6888805, 7085628, 7515060, 8266566, 8551620, 8857035, 11272590, 11809380, 12399849, 13777610, 16533132, 17714070, 20666415, 22545180, 24799698, 27555220, 35428140, 41332830, 49599396, 61999245, 82665660, 123998490, 247996980]

約数ペア:

[(1, 247996980), (2, 123998490), (3, 82665660), (4, 61999245), (5, 49599396), (6, 41332830), (7, 35428140), (9, 27555220), (10, 24799698), (11, 22545180), (12, 20666415), (14, 17714070), (15, 16533132), (18, 13777610), (20, 12399849), (21, 11809380), (22, 11272590), (28, 8857035), (29, 8551620), (30, 8266566), (33, 7515060), (35, 7085628), (36, 6888805), (42, 5904690), (44, 5636295), (45, 5511044), (55, 4509036), (58, 4275810), (60, 4133283), (63, 3936460), (66, 3757530), (70, 3542814), (77, 3220740), (84, 2952345), (87, 2850540), (90, 2755522), (99, 2505020), (105, 2361876), (110, 2254518), (116, 2137905), (126, 1968230), (132, 1878765), (140, 1771407), (145, 1710324), (154, 1610370), (165, 1503012), (174, 1425270), (180, 1377761), (198, 1252510), (203, 1221660), (210, 1180938), (220, 1127259), (231, 1073580), (252, 984115), (261, 950180), (290, 855162), (308, 805185), (315, 787292), (319, 777420), (330, 751506), (348, 712635), (385, 644148), (396, 626255), (406, 610830), (420, 590469), (435, 570108), (462, 536790), (495, 501004), (522, 475090), (580, 427581), (609, 407220), (617, 401940), (630, 393646), (638, 388710), (660, 375753), (693, 357860), (770, 322074), (812, 305415), (870, 285054), (924, 268395), (957, 259140), (990, 250502), (1015, 244332), (1044, 237545), (1155, 214716), (1218, 203610), (1234, 200970), (1260, 196823), (1276, 194355), (1305, 190036), (1386, 178930), (1540, 161037), (1595, 155484), (1740, 142527), (1827, 135740), (1851, 133980), (1914, 129570), (1980, 125251), (2030, 122166), (2233, 111060), (2310, 107358), (2436, 101805), (2468, 100485), (2610, 95018), (2772, 89465), (2871, 86380), (3045, 81444), (3085, 80388), (3190, 77742), (3465, 71572), (3654, 67870), (3702, 66990), (3828, 64785), (4060, 61083), (4319, 57420), (4466, 55530), (4620, 53679), (4785, 51828), (5220, 47509), (5553, 44660), (5742, 43190), (6090, 40722), (6170, 40194), (6380, 38871), (6699, 37020), (6787, 36540), (6930, 35786), (7308, 33935), (7404, 33495), (8638, 28710), (8932, 27765), (9135, 27148), (9255, 26796), (9570, 25914), (11106, 22330), (11165, 22212), (11484, 21595), (12180, 20361), (12340, 20097), (12957, 19140), (13398, 18510), (13574, 18270), (13860, 17893), (14355, 17276)]