1215557280

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{13399}}^1$

素因数の和:13433

約数の個数: 240

約数和(自身を含む): 4903113600

約数和(自身を除く): 3687556320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5670, 6048, 6480, 7560, 9072, 10080, 11340, 12960, 13399, 15120, 18144, 22680, 26798, 30240, 40197, 45360, 53596, 66995, 80394, 90720, 93793, 107192, 120591, 133990, 160788, 187586, 200985, 214384, 241182, 267980, 281379, 321576, 361773, 375172, 401970, 428768, 468965, 482364, 535960, 562758, 602955, 643152, 723546, 750344, 803940, 844137, 937930, 964728, 1071920, 1085319, 1125516, 1205910, 1286304, 1406895, 1447092, 1500688, 1607880, 1688274, 1808865, 1875860, 1929456, 2143840, 2170638, 2251032, 2411820, 2532411, 2813790, 2894184, 3001376, 3215760, 3376548, 3617730, 3751720, 3858912, 4220685, 4341276, 4502064, 4823640, 5064822, 5426595, 5627580, 5788368, 6431520, 6753096, 7235460, 7503440, 7597233, 8441370, 8682552, 9004128, 9647280, 10129644, 10853190, 11255160, 11576736, 12662055, 13506192, 14470920, 15006880, 15194466, 16882740, 17365104, 19294560, 20259288, 21706380, 22510320, 25324110, 27012384, 28941840, 30388932, 33765480, 34730208, 37986165, 40518576, 43412760, 45020640, 50648220, 57883680, 60777864, 67530960, 75972330, 81037152, 86825520, 101296440, 121555728, 135061920, 151944660, 173651040, 202592880, 243111456, 303889320, 405185760, 607778640, 1215557280]

約数ペア:

[(1, 1215557280), (2, 607778640), (3, 405185760), (4, 303889320), (5, 243111456), (6, 202592880), (7, 173651040), (8, 151944660), (9, 135061920), (10, 121555728), (12, 101296440), (14, 86825520), (15, 81037152), (16, 75972330), (18, 67530960), (20, 60777864), (21, 57883680), (24, 50648220), (27, 45020640), (28, 43412760), (30, 40518576), (32, 37986165), (35, 34730208), (36, 33765480), (40, 30388932), (42, 28941840), (45, 27012384), (48, 25324110), (54, 22510320), (56, 21706380), (60, 20259288), (63, 19294560), (70, 17365104), (72, 16882740), (80, 15194466), (81, 15006880), (84, 14470920), (90, 13506192), (96, 12662055), (105, 11576736), (108, 11255160), (112, 10853190), (120, 10129644), (126, 9647280), (135, 9004128), (140, 8682552), (144, 8441370), (160, 7597233), (162, 7503440), (168, 7235460), (180, 6753096), (189, 6431520), (210, 5788368), (216, 5627580), (224, 5426595), (240, 5064822), (252, 4823640), (270, 4502064), (280, 4341276), (288, 4220685), (315, 3858912), (324, 3751720), (336, 3617730), (360, 3376548), (378, 3215760), (405, 3001376), (420, 2894184), (432, 2813790), (480, 2532411), (504, 2411820), (540, 2251032), (560, 2170638), (567, 2143840), (630, 1929456), (648, 1875860), (672, 1808865), (720, 1688274), (756, 1607880), (810, 1500688), (840, 1447092), (864, 1406895), (945, 1286304), (1008, 1205910), (1080, 1125516), (1120, 1085319), (1134, 1071920), (1260, 964728), (1296, 937930), (1440, 844137), (1512, 803940), (1620, 750344), (1680, 723546), (1890, 643152), (2016, 602955), (2160, 562758), (2268, 535960), (2520, 482364), (2592, 468965), (2835, 428768), (3024, 401970), (3240, 375172), (3360, 361773), (3780, 321576), (4320, 281379), (4536, 267980), (5040, 241182), (5670, 214384), (6048, 200985), (6480, 187586), (7560, 160788), (9072, 133990), (10080, 120591), (11340, 107192), (12960, 93793), (13399, 90720), (15120, 80394), (18144, 66995), (22680, 53596), (26798, 45360), (30240, 40197)]