320677560

素因数分解:

$2^3\times 3^2\times 5^1\times 7^5\times {\mathrm{53}}^1$

素因数の和:105

約数の個数: 288

約数和(自身を含む): 1238833440

約数和(自身を除く): 918155880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 53, 56, 60, 63, 70, 72, 84, 90, 98, 105, 106, 120, 126, 140, 147, 159, 168, 180, 196, 210, 212, 245, 252, 265, 280, 294, 315, 318, 343, 360, 371, 392, 420, 424, 441, 477, 490, 504, 530, 588, 630, 636, 686, 735, 742, 795, 840, 882, 954, 980, 1029, 1060, 1113, 1176, 1260, 1272, 1372, 1470, 1484, 1590, 1715, 1764, 1855, 1908, 1960, 2058, 2120, 2205, 2226, 2385, 2401, 2520, 2597, 2744, 2940, 2968, 3087, 3180, 3339, 3430, 3528, 3710, 3816, 4116, 4410, 4452, 4770, 4802, 5145, 5194, 5565, 5880, 6174, 6360, 6678, 6860, 7203, 7420, 7791, 8232, 8820, 8904, 9540, 9604, 10290, 10388, 11130, 12005, 12348, 12985, 13356, 13720, 14406, 14840, 15435, 15582, 16695, 16807, 17640, 18179, 19080, 19208, 20580, 20776, 21609, 22260, 23373, 24010, 24696, 25970, 26712, 28812, 30870, 31164, 33390, 33614, 36015, 36358, 38955, 41160, 43218, 44520, 46746, 48020, 50421, 51940, 54537, 57624, 61740, 62328, 66780, 67228, 72030, 72716, 77910, 84035, 86436, 90895, 93492, 96040, 100842, 103880, 108045, 109074, 116865, 123480, 127253, 133560, 134456, 144060, 145432, 151263, 155820, 163611, 168070, 172872, 181790, 186984, 201684, 216090, 218148, 233730, 252105, 254506, 272685, 288120, 302526, 311640, 327222, 336140, 363580, 381759, 403368, 432180, 436296, 467460, 504210, 509012, 545370, 605052, 636265, 654444, 672280, 727160, 756315, 763518, 818055, 864360, 890771, 934920, 1008420, 1018024, 1090740, 1145277, 1210104, 1272530, 1308888, 1512630, 1527036, 1636110, 1781542, 1908795, 2016840, 2181480, 2290554, 2545060, 2672313, 3025260, 3054072, 3272220, 3563084, 3817590, 4453855, 4581108, 5090120, 5344626, 5726385, 6050520, 6544440, 7126168, 7635180, 8016939, 8907710, 9162216, 10689252, 11452770, 13361565, 15270360, 16033878, 17815420, 21378504, 22905540, 26723130, 32067756, 35630840, 40084695, 45811080, 53446260, 64135512, 80169390, 106892520, 160338780, 320677560]

約数ペア:

[(1, 320677560), (2, 160338780), (3, 106892520), (4, 80169390), (5, 64135512), (6, 53446260), (7, 45811080), (8, 40084695), (9, 35630840), (10, 32067756), (12, 26723130), (14, 22905540), (15, 21378504), (18, 17815420), (20, 16033878), (21, 15270360), (24, 13361565), (28, 11452770), (30, 10689252), (35, 9162216), (36, 8907710), (40, 8016939), (42, 7635180), (45, 7126168), (49, 6544440), (53, 6050520), (56, 5726385), (60, 5344626), (63, 5090120), (70, 4581108), (72, 4453855), (84, 3817590), (90, 3563084), (98, 3272220), (105, 3054072), (106, 3025260), (120, 2672313), (126, 2545060), (140, 2290554), (147, 2181480), (159, 2016840), (168, 1908795), (180, 1781542), (196, 1636110), (210, 1527036), (212, 1512630), (245, 1308888), (252, 1272530), (265, 1210104), (280, 1145277), (294, 1090740), (315, 1018024), (318, 1008420), (343, 934920), (360, 890771), (371, 864360), (392, 818055), (420, 763518), (424, 756315), (441, 727160), (477, 672280), (490, 654444), (504, 636265), (530, 605052), (588, 545370), (630, 509012), (636, 504210), (686, 467460), (735, 436296), (742, 432180), (795, 403368), (840, 381759), (882, 363580), (954, 336140), (980, 327222), (1029, 311640), (1060, 302526), (1113, 288120), (1176, 272685), (1260, 254506), (1272, 252105), (1372, 233730), (1470, 218148), (1484, 216090), (1590, 201684), (1715, 186984), (1764, 181790), (1855, 172872), (1908, 168070), (1960, 163611), (2058, 155820), (2120, 151263), (2205, 145432), (2226, 144060), (2385, 134456), (2401, 133560), (2520, 127253), (2597, 123480), (2744, 116865), (2940, 109074), (2968, 108045), (3087, 103880), (3180, 100842), (3339, 96040), (3430, 93492), (3528, 90895), (3710, 86436), (3816, 84035), (4116, 77910), (4410, 72716), (4452, 72030), (4770, 67228), (4802, 66780), (5145, 62328), (5194, 61740), (5565, 57624), (5880, 54537), (6174, 51940), (6360, 50421), (6678, 48020), (6860, 46746), (7203, 44520), (7420, 43218), (7791, 41160), (8232, 38955), (8820, 36358), (8904, 36015), (9540, 33614), (9604, 33390), (10290, 31164), (10388, 30870), (11130, 28812), (12005, 26712), (12348, 25970), (12985, 24696), (13356, 24010), (13720, 23373), (14406, 22260), (14840, 21609), (15435, 20776), (15582, 20580), (16695, 19208), (16807, 19080), (17640, 18179)]