261858240

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:480

約数の個数: 336

約数和(自身を含む): 1065093120

約数和(自身を除く): 803234880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 64, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 140, 144, 155, 160, 168, 180, 186, 192, 210, 217, 224, 240, 248, 252, 279, 280, 288, 310, 315, 320, 336, 360, 372, 419, 420, 434, 448, 465, 480, 496, 504, 558, 560, 576, 620, 630, 651, 672, 720, 744, 838, 840, 868, 930, 960, 992, 1008, 1085, 1116, 1120, 1240, 1257, 1260, 1302, 1344, 1395, 1440, 1488, 1676, 1680, 1736, 1860, 1953, 1984, 2016, 2095, 2170, 2232, 2240, 2480, 2514, 2520, 2604, 2790, 2880, 2933, 2976, 3255, 3352, 3360, 3472, 3720, 3771, 3906, 4032, 4190, 4340, 4464, 4960, 5028, 5040, 5208, 5580, 5866, 5952, 6285, 6510, 6704, 6720, 6944, 7440, 7542, 7812, 8380, 8680, 8799, 8928, 9765, 9920, 10056, 10080, 10416, 11160, 11732, 12570, 12989, 13020, 13408, 13888, 14665, 14880, 15084, 15624, 16760, 17360, 17598, 17856, 18855, 19530, 20112, 20160, 20832, 22320, 23464, 25140, 25978, 26040, 26397, 26816, 29330, 29760, 30168, 31248, 33520, 34720, 35196, 37710, 38967, 39060, 40224, 41664, 43995, 44640, 46928, 50280, 51956, 52080, 52794, 58660, 60336, 62496, 64945, 67040, 69440, 70392, 75420, 77934, 78120, 80448, 87990, 89280, 90923, 93856, 100560, 103912, 104160, 105588, 116901, 117320, 120672, 124992, 129890, 131985, 134080, 140784, 150840, 155868, 156240, 175980, 181846, 187712, 194835, 201120, 207824, 208320, 211176, 233802, 234640, 241344, 259780, 263970, 272769, 281568, 301680, 311736, 312480, 351960, 363692, 389670, 402240, 415648, 422352, 454615, 467604, 469280, 519560, 527940, 545538, 563136, 584505, 603360, 623472, 624960, 703920, 727384, 779340, 818307, 831296, 844704, 909230, 935208, 938560, 1039120, 1055880, 1091076, 1169010, 1206720, 1246944, 1363845, 1407840, 1454768, 1558680, 1636614, 1689408, 1818460, 1870416, 2078240, 2111760, 2182152, 2338020, 2493888, 2727690, 2815680, 2909536, 3117360, 3273228, 3636920, 3740832, 4091535, 4156480, 4223520, 4364304, 4676040, 5455380, 5819072, 6234720, 6546456, 7273840, 7481664, 8183070, 8447040, 8728608, 9352080, 10910760, 12469440, 13092912, 14547680, 16366140, 17457216, 18704160, 21821520, 26185824, 29095360, 32732280, 37408320, 43643040, 52371648, 65464560, 87286080, 130929120, 261858240]

約数ペア:

[(1, 261858240), (2, 130929120), (3, 87286080), (4, 65464560), (5, 52371648), (6, 43643040), (7, 37408320), (8, 32732280), (9, 29095360), (10, 26185824), (12, 21821520), (14, 18704160), (15, 17457216), (16, 16366140), (18, 14547680), (20, 13092912), (21, 12469440), (24, 10910760), (28, 9352080), (30, 8728608), (31, 8447040), (32, 8183070), (35, 7481664), (36, 7273840), (40, 6546456), (42, 6234720), (45, 5819072), (48, 5455380), (56, 4676040), (60, 4364304), (62, 4223520), (63, 4156480), (64, 4091535), (70, 3740832), (72, 3636920), (80, 3273228), (84, 3117360), (90, 2909536), (93, 2815680), (96, 2727690), (105, 2493888), (112, 2338020), (120, 2182152), (124, 2111760), (126, 2078240), (140, 1870416), (144, 1818460), (155, 1689408), (160, 1636614), (168, 1558680), (180, 1454768), (186, 1407840), (192, 1363845), (210, 1246944), (217, 1206720), (224, 1169010), (240, 1091076), (248, 1055880), (252, 1039120), (279, 938560), (280, 935208), (288, 909230), (310, 844704), (315, 831296), (320, 818307), (336, 779340), (360, 727384), (372, 703920), (419, 624960), (420, 623472), (434, 603360), (448, 584505), (465, 563136), (480, 545538), (496, 527940), (504, 519560), (558, 469280), (560, 467604), (576, 454615), (620, 422352), (630, 415648), (651, 402240), (672, 389670), (720, 363692), (744, 351960), (838, 312480), (840, 311736), (868, 301680), (930, 281568), (960, 272769), (992, 263970), (1008, 259780), (1085, 241344), (1116, 234640), (1120, 233802), (1240, 211176), (1257, 208320), (1260, 207824), (1302, 201120), (1344, 194835), (1395, 187712), (1440, 181846), (1488, 175980), (1676, 156240), (1680, 155868), (1736, 150840), (1860, 140784), (1953, 134080), (1984, 131985), (2016, 129890), (2095, 124992), (2170, 120672), (2232, 117320), (2240, 116901), (2480, 105588), (2514, 104160), (2520, 103912), (2604, 100560), (2790, 93856), (2880, 90923), (2933, 89280), (2976, 87990), (3255, 80448), (3352, 78120), (3360, 77934), (3472, 75420), (3720, 70392), (3771, 69440), (3906, 67040), (4032, 64945), (4190, 62496), (4340, 60336), (4464, 58660), (4960, 52794), (5028, 52080), (5040, 51956), (5208, 50280), (5580, 46928), (5866, 44640), (5952, 43995), (6285, 41664), (6510, 40224), (6704, 39060), (6720, 38967), (6944, 37710), (7440, 35196), (7542, 34720), (7812, 33520), (8380, 31248), (8680, 30168), (8799, 29760), (8928, 29330), (9765, 26816), (9920, 26397), (10056, 26040), (10080, 25978), (10416, 25140), (11160, 23464), (11732, 22320), (12570, 20832), (12989, 20160), (13020, 20112), (13408, 19530), (13888, 18855), (14665, 17856), (14880, 17598), (15084, 17360), (15624, 16760)]