689640480

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:573

約数の個数: 240

約数和(自身を含む): 2458874880

約数和(自身を除く): 1769234400

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, 108, 120, 127, 135, 144, 160, 162, 180, 216, 240, 254, 270, 288, 324, 360, 381, 405, 419, 432, 480, 508, 540, 635, 648, 720, 762, 810, 838, 864, 1016, 1080, 1143, 1257, 1270, 1296, 1440, 1524, 1620, 1676, 1905, 2032, 2095, 2160, 2286, 2514, 2540, 2592, 3048, 3240, 3352, 3429, 3771, 3810, 4064, 4190, 4320, 4572, 5028, 5080, 5715, 6096, 6285, 6480, 6704, 6858, 7542, 7620, 8380, 9144, 10056, 10160, 10287, 11313, 11430, 12192, 12570, 12960, 13408, 13716, 15084, 15240, 16760, 17145, 18288, 18855, 20112, 20320, 20574, 22626, 22860, 25140, 27432, 30168, 30480, 33520, 33939, 34290, 36576, 37710, 40224, 41148, 45252, 45720, 50280, 51435, 53213, 54864, 56565, 60336, 60960, 67040, 67878, 68580, 75420, 82296, 90504, 91440, 100560, 102870, 106426, 109728, 113130, 120672, 135756, 137160, 150840, 159639, 164592, 169695, 181008, 182880, 201120, 205740, 212852, 226260, 266065, 271512, 274320, 301680, 319278, 329184, 339390, 362016, 411480, 425704, 452520, 478917, 532130, 543024, 548640, 603360, 638556, 678780, 798195, 822960, 851408, 905040, 957834, 1064260, 1086048, 1277112, 1357560, 1436751, 1596390, 1645920, 1702816, 1810080, 1915668, 2128520, 2394585, 2554224, 2715120, 2873502, 3192780, 3831336, 4257040, 4310253, 4789170, 5108448, 5430240, 5747004, 6385560, 7183755, 7662672, 8514080, 8620506, 9578340, 11494008, 12771120, 14367510, 15325344, 17241012, 19156680, 21551265, 22988016, 25542240, 28735020, 34482024, 38313360, 43102530, 45976032, 57470040, 68964048, 76626720, 86205060, 114940080, 137928096, 172410120, 229880160, 344820240, 689640480]

約数ペア:

[(1, 689640480), (2, 344820240), (3, 229880160), (4, 172410120), (5, 137928096), (6, 114940080), (8, 86205060), (9, 76626720), (10, 68964048), (12, 57470040), (15, 45976032), (16, 43102530), (18, 38313360), (20, 34482024), (24, 28735020), (27, 25542240), (30, 22988016), (32, 21551265), (36, 19156680), (40, 17241012), (45, 15325344), (48, 14367510), (54, 12771120), (60, 11494008), (72, 9578340), (80, 8620506), (81, 8514080), (90, 7662672), (96, 7183755), (108, 6385560), (120, 5747004), (127, 5430240), (135, 5108448), (144, 4789170), (160, 4310253), (162, 4257040), (180, 3831336), (216, 3192780), (240, 2873502), (254, 2715120), (270, 2554224), (288, 2394585), (324, 2128520), (360, 1915668), (381, 1810080), (405, 1702816), (419, 1645920), (432, 1596390), (480, 1436751), (508, 1357560), (540, 1277112), (635, 1086048), (648, 1064260), (720, 957834), (762, 905040), (810, 851408), (838, 822960), (864, 798195), (1016, 678780), (1080, 638556), (1143, 603360), (1257, 548640), (1270, 543024), (1296, 532130), (1440, 478917), (1524, 452520), (1620, 425704), (1676, 411480), (1905, 362016), (2032, 339390), (2095, 329184), (2160, 319278), (2286, 301680), (2514, 274320), (2540, 271512), (2592, 266065), (3048, 226260), (3240, 212852), (3352, 205740), (3429, 201120), (3771, 182880), (3810, 181008), (4064, 169695), (4190, 164592), (4320, 159639), (4572, 150840), (5028, 137160), (5080, 135756), (5715, 120672), (6096, 113130), (6285, 109728), (6480, 106426), (6704, 102870), (6858, 100560), (7542, 91440), (7620, 90504), (8380, 82296), (9144, 75420), (10056, 68580), (10160, 67878), (10287, 67040), (11313, 60960), (11430, 60336), (12192, 56565), (12570, 54864), (12960, 53213), (13408, 51435), (13716, 50280), (15084, 45720), (15240, 45252), (16760, 41148), (17145, 40224), (18288, 37710), (18855, 36576), (20112, 34290), (20320, 33939), (20574, 33520), (22626, 30480), (22860, 30168), (25140, 27432)]