2720340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 10063872

約数和(自身を除く): 7343532

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, 102, 105, 119, 126, 127, 140, 153, 170, 180, 204, 210, 238, 252, 254, 255, 306, 315, 340, 357, 381, 420, 476, 508, 510, 595, 612, 630, 635, 714, 762, 765, 889, 1020, 1071, 1143, 1190, 1260, 1270, 1428, 1524, 1530, 1778, 1785, 1905, 2142, 2159, 2286, 2380, 2540, 2667, 3060, 3556, 3570, 3810, 4284, 4318, 4445, 4572, 5334, 5355, 5715, 6477, 7140, 7620, 8001, 8636, 8890, 10668, 10710, 10795, 11430, 12954, 13335, 15113, 16002, 17780, 19431, 21420, 21590, 22860, 25908, 26670, 30226, 32004, 32385, 38862, 40005, 43180, 45339, 53340, 60452, 64770, 75565, 77724, 80010, 90678, 97155, 129540, 136017, 151130, 160020, 181356, 194310, 226695, 272034, 302260, 388620, 453390, 544068, 680085, 906780, 1360170, 2720340]

約数ペア:

[(1, 2720340), (2, 1360170), (3, 906780), (4, 680085), (5, 544068), (6, 453390), (7, 388620), (9, 302260), (10, 272034), (12, 226695), (14, 194310), (15, 181356), (17, 160020), (18, 151130), (20, 136017), (21, 129540), (28, 97155), (30, 90678), (34, 80010), (35, 77724), (36, 75565), (42, 64770), (45, 60452), (51, 53340), (60, 45339), (63, 43180), (68, 40005), (70, 38862), (84, 32385), (85, 32004), (90, 30226), (102, 26670), (105, 25908), (119, 22860), (126, 21590), (127, 21420), (140, 19431), (153, 17780), (170, 16002), (180, 15113), (204, 13335), (210, 12954), (238, 11430), (252, 10795), (254, 10710), (255, 10668), (306, 8890), (315, 8636), (340, 8001), (357, 7620), (381, 7140), (420, 6477), (476, 5715), (508, 5355), (510, 5334), (595, 4572), (612, 4445), (630, 4318), (635, 4284), (714, 3810), (762, 3570), (765, 3556), (889, 3060), (1020, 2667), (1071, 2540), (1143, 2380), (1190, 2286), (1260, 2159), (1270, 2142), (1428, 1905), (1524, 1785), (1530, 1778)]