19470780

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:146

約数の個数: 240

約数和(自身を含む): 74644416

約数和(自身を除く): 55173636

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 42, 45, 51, 54, 60, 63, 68, 70, 81, 84, 85, 90, 101, 102, 105, 108, 119, 126, 135, 140, 153, 162, 170, 180, 189, 202, 204, 210, 238, 252, 255, 270, 303, 306, 315, 324, 340, 357, 378, 404, 405, 420, 459, 476, 505, 510, 540, 567, 595, 606, 612, 630, 707, 714, 756, 765, 810, 909, 918, 945, 1010, 1020, 1071, 1134, 1190, 1212, 1260, 1377, 1414, 1428, 1515, 1530, 1620, 1717, 1785, 1818, 1836, 1890, 2020, 2121, 2142, 2268, 2295, 2380, 2727, 2754, 2828, 2835, 3030, 3060, 3213, 3434, 3535, 3570, 3636, 3780, 4242, 4284, 4545, 4590, 5151, 5355, 5454, 5508, 5670, 6060, 6363, 6426, 6868, 6885, 7070, 7140, 8181, 8484, 8585, 9090, 9180, 9639, 10302, 10605, 10710, 10908, 11340, 12019, 12726, 12852, 13635, 13770, 14140, 15453, 16065, 16362, 17170, 18180, 19089, 19278, 20604, 21210, 21420, 24038, 25452, 25755, 27270, 27540, 30906, 31815, 32130, 32724, 34340, 36057, 38178, 38556, 40905, 42420, 46359, 48076, 48195, 51510, 54540, 57267, 60095, 61812, 63630, 64260, 72114, 76356, 77265, 81810, 92718, 95445, 96390, 103020, 108171, 114534, 120190, 127260, 139077, 144228, 154530, 163620, 180285, 185436, 190890, 192780, 216342, 229068, 231795, 240380, 278154, 286335, 309060, 324513, 360570, 381780, 432684, 463590, 540855, 556308, 572670, 649026, 695385, 721140, 927180, 973539, 1081710, 1145340, 1298052, 1390770, 1622565, 1947078, 2163420, 2781540, 3245130, 3894156, 4867695, 6490260, 9735390, 19470780]

約数ペア:

[(1, 19470780), (2, 9735390), (3, 6490260), (4, 4867695), (5, 3894156), (6, 3245130), (7, 2781540), (9, 2163420), (10, 1947078), (12, 1622565), (14, 1390770), (15, 1298052), (17, 1145340), (18, 1081710), (20, 973539), (21, 927180), (27, 721140), (28, 695385), (30, 649026), (34, 572670), (35, 556308), (36, 540855), (42, 463590), (45, 432684), (51, 381780), (54, 360570), (60, 324513), (63, 309060), (68, 286335), (70, 278154), (81, 240380), (84, 231795), (85, 229068), (90, 216342), (101, 192780), (102, 190890), (105, 185436), (108, 180285), (119, 163620), (126, 154530), (135, 144228), (140, 139077), (153, 127260), (162, 120190), (170, 114534), (180, 108171), (189, 103020), (202, 96390), (204, 95445), (210, 92718), (238, 81810), (252, 77265), (255, 76356), (270, 72114), (303, 64260), (306, 63630), (315, 61812), (324, 60095), (340, 57267), (357, 54540), (378, 51510), (404, 48195), (405, 48076), (420, 46359), (459, 42420), (476, 40905), (505, 38556), (510, 38178), (540, 36057), (567, 34340), (595, 32724), (606, 32130), (612, 31815), (630, 30906), (707, 27540), (714, 27270), (756, 25755), (765, 25452), (810, 24038), (909, 21420), (918, 21210), (945, 20604), (1010, 19278), (1020, 19089), (1071, 18180), (1134, 17170), (1190, 16362), (1212, 16065), (1260, 15453), (1377, 14140), (1414, 13770), (1428, 13635), (1515, 12852), (1530, 12726), (1620, 12019), (1717, 11340), (1785, 10908), (1818, 10710), (1836, 10605), (1890, 10302), (2020, 9639), (2121, 9180), (2142, 9090), (2268, 8585), (2295, 8484), (2380, 8181), (2727, 7140), (2754, 7070), (2828, 6885), (2835, 6868), (3030, 6426), (3060, 6363), (3213, 6060), (3434, 5670), (3535, 5508), (3570, 5454), (3636, 5355), (3780, 5151), (4242, 4590), (4284, 4545)]