15121890

素因数分解:

$2^1\times 3^5\times 5^1\times 7^2\times {\mathrm{127}}^1$

素因数の和:163

約数の個数: 144

約数和(自身を含む): 47803392

約数和(自身を除く): 32681502

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 81, 90, 98, 105, 126, 127, 135, 147, 162, 189, 210, 243, 245, 254, 270, 294, 315, 378, 381, 405, 441, 486, 490, 567, 630, 635, 735, 762, 810, 882, 889, 945, 1134, 1143, 1215, 1270, 1323, 1470, 1701, 1778, 1890, 1905, 2205, 2286, 2430, 2646, 2667, 2835, 3402, 3429, 3810, 3969, 4410, 4445, 5334, 5670, 5715, 6223, 6615, 6858, 7938, 8001, 8505, 8890, 10287, 11430, 11907, 12446, 13230, 13335, 16002, 17010, 17145, 18669, 19845, 20574, 23814, 24003, 26670, 30861, 31115, 34290, 37338, 39690, 40005, 48006, 51435, 56007, 59535, 61722, 62230, 72009, 80010, 93345, 102870, 112014, 119070, 120015, 144018, 154305, 168021, 186690, 216027, 240030, 280035, 308610, 336042, 360045, 432054, 504063, 560070, 720090, 840105, 1008126, 1080135, 1512189, 1680210, 2160270, 2520315, 3024378, 5040630, 7560945, 15121890]

約数ペア:

[(1, 15121890), (2, 7560945), (3, 5040630), (5, 3024378), (6, 2520315), (7, 2160270), (9, 1680210), (10, 1512189), (14, 1080135), (15, 1008126), (18, 840105), (21, 720090), (27, 560070), (30, 504063), (35, 432054), (42, 360045), (45, 336042), (49, 308610), (54, 280035), (63, 240030), (70, 216027), (81, 186690), (90, 168021), (98, 154305), (105, 144018), (126, 120015), (127, 119070), (135, 112014), (147, 102870), (162, 93345), (189, 80010), (210, 72009), (243, 62230), (245, 61722), (254, 59535), (270, 56007), (294, 51435), (315, 48006), (378, 40005), (381, 39690), (405, 37338), (441, 34290), (486, 31115), (490, 30861), (567, 26670), (630, 24003), (635, 23814), (735, 20574), (762, 19845), (810, 18669), (882, 17145), (889, 17010), (945, 16002), (1134, 13335), (1143, 13230), (1215, 12446), (1270, 11907), (1323, 11430), (1470, 10287), (1701, 8890), (1778, 8505), (1890, 8001), (1905, 7938), (2205, 6858), (2286, 6615), (2430, 6223), (2646, 5715), (2667, 5670), (2835, 5334), (3402, 4445), (3429, 4410), (3810, 3969)]