2163420

素因数分解:

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

素因数の和:140

約数の個数: 144

約数和(自身を含む): 8019648

約数和(自身を除く): 5856228

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 101, 102, 105, 119, 126, 140, 153, 170, 180, 202, 204, 210, 238, 252, 255, 303, 306, 315, 340, 357, 404, 420, 476, 505, 510, 595, 606, 612, 630, 707, 714, 765, 909, 1010, 1020, 1071, 1190, 1212, 1260, 1414, 1428, 1515, 1530, 1717, 1785, 1818, 2020, 2121, 2142, 2380, 2828, 3030, 3060, 3434, 3535, 3570, 3636, 4242, 4284, 4545, 5151, 5355, 6060, 6363, 6868, 7070, 7140, 8484, 8585, 9090, 10302, 10605, 10710, 12019, 12726, 14140, 15453, 17170, 18180, 20604, 21210, 21420, 24038, 25452, 25755, 30906, 31815, 34340, 36057, 42420, 48076, 51510, 60095, 61812, 63630, 72114, 77265, 103020, 108171, 120190, 127260, 144228, 154530, 180285, 216342, 240380, 309060, 360570, 432684, 540855, 721140, 1081710, 2163420]

約数ペア:

[(1, 2163420), (2, 1081710), (3, 721140), (4, 540855), (5, 432684), (6, 360570), (7, 309060), (9, 240380), (10, 216342), (12, 180285), (14, 154530), (15, 144228), (17, 127260), (18, 120190), (20, 108171), (21, 103020), (28, 77265), (30, 72114), (34, 63630), (35, 61812), (36, 60095), (42, 51510), (45, 48076), (51, 42420), (60, 36057), (63, 34340), (68, 31815), (70, 30906), (84, 25755), (85, 25452), (90, 24038), (101, 21420), (102, 21210), (105, 20604), (119, 18180), (126, 17170), (140, 15453), (153, 14140), (170, 12726), (180, 12019), (202, 10710), (204, 10605), (210, 10302), (238, 9090), (252, 8585), (255, 8484), (303, 7140), (306, 7070), (315, 6868), (340, 6363), (357, 6060), (404, 5355), (420, 5151), (476, 4545), (505, 4284), (510, 4242), (595, 3636), (606, 3570), (612, 3535), (630, 3434), (707, 3060), (714, 3030), (765, 2828), (909, 2380), (1010, 2142), (1020, 2121), (1071, 2020), (1190, 1818), (1212, 1785), (1260, 1717), (1414, 1530), (1428, 1515)]