247652640

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:321

約数の個数: 240

約数和(自身を含む): 887500152

約数和(自身を除く): 639847512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 97, 108, 120, 135, 144, 160, 162, 180, 194, 197, 216, 240, 270, 288, 291, 324, 360, 388, 394, 405, 432, 480, 485, 540, 582, 591, 648, 720, 776, 788, 810, 864, 873, 970, 985, 1080, 1164, 1182, 1296, 1440, 1455, 1552, 1576, 1620, 1746, 1773, 1940, 1970, 2160, 2328, 2364, 2592, 2619, 2910, 2955, 3104, 3152, 3240, 3492, 3546, 3880, 3940, 4320, 4365, 4656, 4728, 5238, 5319, 5820, 5910, 6304, 6480, 6984, 7092, 7760, 7857, 7880, 8730, 8865, 9312, 9456, 10476, 10638, 11640, 11820, 12960, 13095, 13968, 14184, 15520, 15714, 15760, 15957, 17460, 17730, 18912, 19109, 20952, 21276, 23280, 23640, 26190, 26595, 27936, 28368, 31428, 31520, 31914, 34920, 35460, 38218, 39285, 41904, 42552, 46560, 47280, 52380, 53190, 56736, 57327, 62856, 63828, 69840, 70920, 76436, 78570, 79785, 83808, 85104, 94560, 95545, 104760, 106380, 114654, 125712, 127656, 139680, 141840, 152872, 157140, 159570, 170208, 171981, 191090, 209520, 212760, 229308, 251424, 255312, 283680, 286635, 305744, 314280, 319140, 343962, 382180, 419040, 425520, 458616, 510624, 515943, 573270, 611488, 628560, 638280, 687924, 764360, 851040, 859905, 917232, 1031886, 1146540, 1257120, 1276560, 1375848, 1528720, 1547829, 1719810, 1834464, 2063772, 2293080, 2553120, 2579715, 2751696, 3057440, 3095658, 3439620, 4127544, 4586160, 5159430, 5503392, 6191316, 6879240, 7739145, 8255088, 9172320, 10318860, 12382632, 13758480, 15478290, 16510176, 20637720, 24765264, 27516960, 30956580, 41275440, 49530528, 61913160, 82550880, 123826320, 247652640]

約数ペア:

[(1, 247652640), (2, 123826320), (3, 82550880), (4, 61913160), (5, 49530528), (6, 41275440), (8, 30956580), (9, 27516960), (10, 24765264), (12, 20637720), (15, 16510176), (16, 15478290), (18, 13758480), (20, 12382632), (24, 10318860), (27, 9172320), (30, 8255088), (32, 7739145), (36, 6879240), (40, 6191316), (45, 5503392), (48, 5159430), (54, 4586160), (60, 4127544), (72, 3439620), (80, 3095658), (81, 3057440), (90, 2751696), (96, 2579715), (97, 2553120), (108, 2293080), (120, 2063772), (135, 1834464), (144, 1719810), (160, 1547829), (162, 1528720), (180, 1375848), (194, 1276560), (197, 1257120), (216, 1146540), (240, 1031886), (270, 917232), (288, 859905), (291, 851040), (324, 764360), (360, 687924), (388, 638280), (394, 628560), (405, 611488), (432, 573270), (480, 515943), (485, 510624), (540, 458616), (582, 425520), (591, 419040), (648, 382180), (720, 343962), (776, 319140), (788, 314280), (810, 305744), (864, 286635), (873, 283680), (970, 255312), (985, 251424), (1080, 229308), (1164, 212760), (1182, 209520), (1296, 191090), (1440, 171981), (1455, 170208), (1552, 159570), (1576, 157140), (1620, 152872), (1746, 141840), (1773, 139680), (1940, 127656), (1970, 125712), (2160, 114654), (2328, 106380), (2364, 104760), (2592, 95545), (2619, 94560), (2910, 85104), (2955, 83808), (3104, 79785), (3152, 78570), (3240, 76436), (3492, 70920), (3546, 69840), (3880, 63828), (3940, 62856), (4320, 57327), (4365, 56736), (4656, 53190), (4728, 52380), (5238, 47280), (5319, 46560), (5820, 42552), (5910, 41904), (6304, 39285), (6480, 38218), (6984, 35460), (7092, 34920), (7760, 31914), (7857, 31520), (7880, 31428), (8730, 28368), (8865, 27936), (9312, 26595), (9456, 26190), (10476, 23640), (10638, 23280), (11640, 21276), (11820, 20952), (12960, 19109), (13095, 18912), (13968, 17730), (14184, 17460), (15520, 15957), (15714, 15760)]