131294520

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{827}}^1$

素因数の和:864

約数の個数: 240

約数和(自身を含む): 513964440

約数和(自身を除く): 382669920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 324, 360, 378, 392, 405, 420, 441, 490, 504, 540, 567, 588, 630, 648, 735, 756, 810, 827, 840, 882, 945, 980, 1080, 1134, 1176, 1260, 1323, 1470, 1512, 1620, 1654, 1764, 1890, 1960, 2205, 2268, 2481, 2520, 2646, 2835, 2940, 3240, 3308, 3528, 3780, 3969, 4135, 4410, 4536, 4962, 5292, 5670, 5789, 5880, 6615, 6616, 7443, 7560, 7938, 8270, 8820, 9924, 10584, 11340, 11578, 12405, 13230, 14886, 15876, 16540, 17367, 17640, 19845, 19848, 22329, 22680, 23156, 24810, 26460, 28945, 29772, 31752, 33080, 34734, 37215, 39690, 40523, 44658, 46312, 49620, 52101, 52920, 57890, 59544, 66987, 69468, 74430, 79380, 81046, 86835, 89316, 99240, 104202, 111645, 115780, 121569, 133974, 138936, 148860, 156303, 158760, 162092, 173670, 178632, 202615, 208404, 223290, 231560, 243138, 260505, 267948, 297720, 312606, 324184, 334935, 347340, 364707, 405230, 416808, 446580, 468909, 486276, 521010, 535896, 607845, 625212, 669870, 694680, 729414, 781515, 810460, 893160, 937818, 972552, 1042020, 1094121, 1215690, 1250424, 1339740, 1458828, 1563030, 1620920, 1823535, 1875636, 2084040, 2188242, 2344545, 2431380, 2679480, 2917656, 3126060, 3282363, 3647070, 3751272, 4376484, 4689090, 4862760, 5470605, 6252120, 6564726, 7294140, 8752968, 9378180, 10941210, 13129452, 14588280, 16411815, 18756360, 21882420, 26258904, 32823630, 43764840, 65647260, 131294520]

約数ペア:

[(1, 131294520), (2, 65647260), (3, 43764840), (4, 32823630), (5, 26258904), (6, 21882420), (7, 18756360), (8, 16411815), (9, 14588280), (10, 13129452), (12, 10941210), (14, 9378180), (15, 8752968), (18, 7294140), (20, 6564726), (21, 6252120), (24, 5470605), (27, 4862760), (28, 4689090), (30, 4376484), (35, 3751272), (36, 3647070), (40, 3282363), (42, 3126060), (45, 2917656), (49, 2679480), (54, 2431380), (56, 2344545), (60, 2188242), (63, 2084040), (70, 1875636), (72, 1823535), (81, 1620920), (84, 1563030), (90, 1458828), (98, 1339740), (105, 1250424), (108, 1215690), (120, 1094121), (126, 1042020), (135, 972552), (140, 937818), (147, 893160), (162, 810460), (168, 781515), (180, 729414), (189, 694680), (196, 669870), (210, 625212), (216, 607845), (245, 535896), (252, 521010), (270, 486276), (280, 468909), (294, 446580), (315, 416808), (324, 405230), (360, 364707), (378, 347340), (392, 334935), (405, 324184), (420, 312606), (441, 297720), (490, 267948), (504, 260505), (540, 243138), (567, 231560), (588, 223290), (630, 208404), (648, 202615), (735, 178632), (756, 173670), (810, 162092), (827, 158760), (840, 156303), (882, 148860), (945, 138936), (980, 133974), (1080, 121569), (1134, 115780), (1176, 111645), (1260, 104202), (1323, 99240), (1470, 89316), (1512, 86835), (1620, 81046), (1654, 79380), (1764, 74430), (1890, 69468), (1960, 66987), (2205, 59544), (2268, 57890), (2481, 52920), (2520, 52101), (2646, 49620), (2835, 46312), (2940, 44658), (3240, 40523), (3308, 39690), (3528, 37215), (3780, 34734), (3969, 33080), (4135, 31752), (4410, 29772), (4536, 28945), (4962, 26460), (5292, 24810), (5670, 23156), (5789, 22680), (5880, 22329), (6615, 19848), (6616, 19845), (7443, 17640), (7560, 17367), (7938, 16540), (8270, 15876), (8820, 14886), (9924, 13230), (10584, 12405), (11340, 11578)]