721140

素因数分解:

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

素因数の和:137

約数の個数: 96

約数和(自身を含む): 2467584

約数和(自身を除く): 1746444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 101, 102, 105, 119, 140, 170, 202, 204, 210, 238, 255, 303, 340, 357, 404, 420, 476, 505, 510, 595, 606, 707, 714, 1010, 1020, 1190, 1212, 1414, 1428, 1515, 1717, 1785, 2020, 2121, 2380, 2828, 3030, 3434, 3535, 3570, 4242, 5151, 6060, 6868, 7070, 7140, 8484, 8585, 10302, 10605, 12019, 14140, 17170, 20604, 21210, 24038, 25755, 34340, 36057, 42420, 48076, 51510, 60095, 72114, 103020, 120190, 144228, 180285, 240380, 360570, 721140]

約数ペア:

[(1, 721140), (2, 360570), (3, 240380), (4, 180285), (5, 144228), (6, 120190), (7, 103020), (10, 72114), (12, 60095), (14, 51510), (15, 48076), (17, 42420), (20, 36057), (21, 34340), (28, 25755), (30, 24038), (34, 21210), (35, 20604), (42, 17170), (51, 14140), (60, 12019), (68, 10605), (70, 10302), (84, 8585), (85, 8484), (101, 7140), (102, 7070), (105, 6868), (119, 6060), (140, 5151), (170, 4242), (202, 3570), (204, 3535), (210, 3434), (238, 3030), (255, 2828), (303, 2380), (340, 2121), (357, 2020), (404, 1785), (420, 1717), (476, 1515), (505, 1428), (510, 1414), (595, 1212), (606, 1190), (707, 1020), (714, 1010)]