248663520

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{2741}}^1$

素因数の和:2775

約数の個数: 240

約数和(自身を含む): 1003308768

約数和(自身を除く): 754645248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2741, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5482, 5670, 6048, 6480, 7560, 8223, 9072, 10080, 10964, 11340, 12960, 13705, 15120, 16446, 18144, 19187, 21928, 22680, 24669, 27410, 30240, 32892, 38374, 41115, 43856, 45360, 49338, 54820, 57561, 65784, 74007, 76748, 82230, 87712, 90720, 95935, 98676, 109640, 115122, 123345, 131568, 148014, 153496, 164460, 172683, 191870, 197352, 219280, 222021, 230244, 246690, 263136, 287805, 296028, 306992, 328920, 345366, 370035, 383740, 394704, 438560, 444042, 460488, 493380, 518049, 575610, 592056, 613984, 657840, 690732, 740070, 767480, 789408, 863415, 888084, 920976, 986760, 1036098, 1110105, 1151220, 1184112, 1315680, 1381464, 1480140, 1534960, 1554147, 1726830, 1776168, 1841952, 1973520, 2072196, 2220210, 2302440, 2368224, 2590245, 2762928, 2960280, 3069920, 3108294, 3453660, 3552336, 3947040, 4144392, 4440420, 4604880, 5180490, 5525856, 5920560, 6216588, 6907320, 7104672, 7770735, 8288784, 8880840, 9209760, 10360980, 11841120, 12433176, 13814640, 15541470, 16577568, 17761680, 20721960, 24866352, 27629280, 31082940, 35523360, 41443920, 49732704, 62165880, 82887840, 124331760, 248663520]

約数ペア:

[(1, 248663520), (2, 124331760), (3, 82887840), (4, 62165880), (5, 49732704), (6, 41443920), (7, 35523360), (8, 31082940), (9, 27629280), (10, 24866352), (12, 20721960), (14, 17761680), (15, 16577568), (16, 15541470), (18, 13814640), (20, 12433176), (21, 11841120), (24, 10360980), (27, 9209760), (28, 8880840), (30, 8288784), (32, 7770735), (35, 7104672), (36, 6907320), (40, 6216588), (42, 5920560), (45, 5525856), (48, 5180490), (54, 4604880), (56, 4440420), (60, 4144392), (63, 3947040), (70, 3552336), (72, 3453660), (80, 3108294), (81, 3069920), (84, 2960280), (90, 2762928), (96, 2590245), (105, 2368224), (108, 2302440), (112, 2220210), (120, 2072196), (126, 1973520), (135, 1841952), (140, 1776168), (144, 1726830), (160, 1554147), (162, 1534960), (168, 1480140), (180, 1381464), (189, 1315680), (210, 1184112), (216, 1151220), (224, 1110105), (240, 1036098), (252, 986760), (270, 920976), (280, 888084), (288, 863415), (315, 789408), (324, 767480), (336, 740070), (360, 690732), (378, 657840), (405, 613984), (420, 592056), (432, 575610), (480, 518049), (504, 493380), (540, 460488), (560, 444042), (567, 438560), (630, 394704), (648, 383740), (672, 370035), (720, 345366), (756, 328920), (810, 306992), (840, 296028), (864, 287805), (945, 263136), (1008, 246690), (1080, 230244), (1120, 222021), (1134, 219280), (1260, 197352), (1296, 191870), (1440, 172683), (1512, 164460), (1620, 153496), (1680, 148014), (1890, 131568), (2016, 123345), (2160, 115122), (2268, 109640), (2520, 98676), (2592, 95935), (2741, 90720), (2835, 87712), (3024, 82230), (3240, 76748), (3360, 74007), (3780, 65784), (4320, 57561), (4536, 54820), (5040, 49338), (5482, 45360), (5670, 43856), (6048, 41115), (6480, 38374), (7560, 32892), (8223, 30240), (9072, 27410), (10080, 24669), (10964, 22680), (11340, 21928), (12960, 19187), (13705, 18144), (15120, 16446)]