309971480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:170

約数の個数: 256

約数和(自身を含む): 921231360

約数和(自身を除く): 611259880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 41, 52, 56, 62, 65, 67, 70, 82, 91, 104, 124, 130, 134, 140, 155, 164, 182, 205, 217, 248, 260, 268, 280, 287, 310, 328, 335, 364, 403, 410, 434, 455, 469, 520, 533, 536, 574, 620, 670, 728, 806, 820, 868, 871, 910, 938, 1066, 1085, 1148, 1240, 1271, 1340, 1435, 1612, 1640, 1736, 1742, 1820, 1876, 2015, 2077, 2132, 2170, 2296, 2345, 2542, 2665, 2680, 2747, 2821, 2870, 3224, 3484, 3640, 3731, 3752, 4030, 4154, 4264, 4340, 4355, 4690, 5084, 5330, 5494, 5642, 5740, 6097, 6355, 6968, 7462, 8060, 8308, 8680, 8710, 8897, 9380, 10168, 10385, 10660, 10988, 11284, 11480, 12194, 12710, 13735, 14105, 14539, 14924, 16120, 16523, 16616, 17420, 17794, 18655, 18760, 19229, 20770, 21320, 21976, 22568, 24388, 25420, 27001, 27470, 28210, 29078, 29848, 30485, 33046, 34840, 35588, 35711, 37310, 38458, 41540, 44485, 48776, 50840, 54002, 54940, 56420, 58156, 60970, 66092, 71176, 71422, 72695, 74620, 76916, 82615, 83080, 85157, 88970, 96145, 108004, 109880, 112840, 115661, 116312, 121940, 132184, 135005, 142844, 145390, 149240, 153832, 165230, 170314, 177940, 178555, 189007, 192290, 216008, 231322, 243880, 249977, 270010, 285688, 290780, 330460, 340628, 355880, 357110, 378014, 384580, 425785, 462644, 499954, 540020, 578305, 581560, 596099, 660920, 681256, 714220, 756028, 769160, 851570, 925288, 945035, 999908, 1080040, 1107041, 1156610, 1192198, 1249885, 1428440, 1512056, 1703140, 1890070, 1999816, 2214082, 2313220, 2384396, 2499770, 2980495, 3406280, 3780140, 4428164, 4626440, 4768792, 4999540, 5535205, 5960990, 7560280, 7749287, 8856328, 9999080, 11070410, 11921980, 15498574, 22140820, 23843960, 30997148, 38746435, 44281640, 61994296, 77492870, 154985740, 309971480]

約数ペア:

[(1, 309971480), (2, 154985740), (4, 77492870), (5, 61994296), (7, 44281640), (8, 38746435), (10, 30997148), (13, 23843960), (14, 22140820), (20, 15498574), (26, 11921980), (28, 11070410), (31, 9999080), (35, 8856328), (40, 7749287), (41, 7560280), (52, 5960990), (56, 5535205), (62, 4999540), (65, 4768792), (67, 4626440), (70, 4428164), (82, 3780140), (91, 3406280), (104, 2980495), (124, 2499770), (130, 2384396), (134, 2313220), (140, 2214082), (155, 1999816), (164, 1890070), (182, 1703140), (205, 1512056), (217, 1428440), (248, 1249885), (260, 1192198), (268, 1156610), (280, 1107041), (287, 1080040), (310, 999908), (328, 945035), (335, 925288), (364, 851570), (403, 769160), (410, 756028), (434, 714220), (455, 681256), (469, 660920), (520, 596099), (533, 581560), (536, 578305), (574, 540020), (620, 499954), (670, 462644), (728, 425785), (806, 384580), (820, 378014), (868, 357110), (871, 355880), (910, 340628), (938, 330460), (1066, 290780), (1085, 285688), (1148, 270010), (1240, 249977), (1271, 243880), (1340, 231322), (1435, 216008), (1612, 192290), (1640, 189007), (1736, 178555), (1742, 177940), (1820, 170314), (1876, 165230), (2015, 153832), (2077, 149240), (2132, 145390), (2170, 142844), (2296, 135005), (2345, 132184), (2542, 121940), (2665, 116312), (2680, 115661), (2747, 112840), (2821, 109880), (2870, 108004), (3224, 96145), (3484, 88970), (3640, 85157), (3731, 83080), (3752, 82615), (4030, 76916), (4154, 74620), (4264, 72695), (4340, 71422), (4355, 71176), (4690, 66092), (5084, 60970), (5330, 58156), (5494, 56420), (5642, 54940), (5740, 54002), (6097, 50840), (6355, 48776), (6968, 44485), (7462, 41540), (8060, 38458), (8308, 37310), (8680, 35711), (8710, 35588), (8897, 34840), (9380, 33046), (10168, 30485), (10385, 29848), (10660, 29078), (10988, 28210), (11284, 27470), (11480, 27001), (12194, 25420), (12710, 24388), (13735, 22568), (14105, 21976), (14539, 21320), (14924, 20770), (16120, 19229), (16523, 18760), (16616, 18655), (17420, 17794)]