198181920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:347

約数の個数: 192

約数和(自身を含む): 669513600

約数和(自身を除く): 471331680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 149, 160, 163, 170, 204, 240, 255, 272, 298, 326, 340, 408, 447, 480, 489, 510, 544, 596, 652, 680, 745, 815, 816, 894, 978, 1020, 1192, 1304, 1360, 1490, 1630, 1632, 1788, 1956, 2040, 2235, 2384, 2445, 2533, 2608, 2720, 2771, 2980, 3260, 3576, 3912, 4080, 4470, 4768, 4890, 5066, 5216, 5542, 5960, 6520, 7152, 7599, 7824, 8160, 8313, 8940, 9780, 10132, 11084, 11920, 12665, 13040, 13855, 14304, 15198, 15648, 16626, 17880, 19560, 20264, 22168, 23840, 24287, 25330, 26080, 27710, 30396, 33252, 35760, 37995, 39120, 40528, 41565, 44336, 48574, 50660, 55420, 60792, 66504, 71520, 72861, 75990, 78240, 81056, 83130, 88672, 97148, 101320, 110840, 121435, 121584, 133008, 145722, 151980, 166260, 194296, 202640, 221680, 242870, 243168, 266016, 291444, 303960, 332520, 364305, 388592, 405280, 412879, 443360, 485740, 582888, 607920, 665040, 728610, 777184, 825758, 971480, 1165776, 1215840, 1238637, 1330080, 1457220, 1651516, 1942960, 2064395, 2331552, 2477274, 2914440, 3303032, 3885920, 4128790, 4954548, 5828880, 6193185, 6606064, 8257580, 9909096, 11657760, 12386370, 13212128, 16515160, 19818192, 24772740, 33030320, 39636384, 49545480, 66060640, 99090960, 198181920]

約数ペア:

[(1, 198181920), (2, 99090960), (3, 66060640), (4, 49545480), (5, 39636384), (6, 33030320), (8, 24772740), (10, 19818192), (12, 16515160), (15, 13212128), (16, 12386370), (17, 11657760), (20, 9909096), (24, 8257580), (30, 6606064), (32, 6193185), (34, 5828880), (40, 4954548), (48, 4128790), (51, 3885920), (60, 3303032), (68, 2914440), (80, 2477274), (85, 2331552), (96, 2064395), (102, 1942960), (120, 1651516), (136, 1457220), (149, 1330080), (160, 1238637), (163, 1215840), (170, 1165776), (204, 971480), (240, 825758), (255, 777184), (272, 728610), (298, 665040), (326, 607920), (340, 582888), (408, 485740), (447, 443360), (480, 412879), (489, 405280), (510, 388592), (544, 364305), (596, 332520), (652, 303960), (680, 291444), (745, 266016), (815, 243168), (816, 242870), (894, 221680), (978, 202640), (1020, 194296), (1192, 166260), (1304, 151980), (1360, 145722), (1490, 133008), (1630, 121584), (1632, 121435), (1788, 110840), (1956, 101320), (2040, 97148), (2235, 88672), (2384, 83130), (2445, 81056), (2533, 78240), (2608, 75990), (2720, 72861), (2771, 71520), (2980, 66504), (3260, 60792), (3576, 55420), (3912, 50660), (4080, 48574), (4470, 44336), (4768, 41565), (4890, 40528), (5066, 39120), (5216, 37995), (5542, 35760), (5960, 33252), (6520, 30396), (7152, 27710), (7599, 26080), (7824, 25330), (8160, 24287), (8313, 23840), (8940, 22168), (9780, 20264), (10132, 19560), (11084, 17880), (11920, 16626), (12665, 15648), (13040, 15198), (13855, 14304)]