17971380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{839}}^1$

素因数の和:878

約数の個数: 144

約数和(自身を含む): 66044160

約数和(自身を除く): 48072780

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, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 839, 1020, 1071, 1190, 1260, 1428, 1530, 1678, 1785, 2142, 2380, 2517, 3060, 3356, 3570, 4195, 4284, 5034, 5355, 5873, 7140, 7551, 8390, 10068, 10710, 11746, 12585, 14263, 15102, 16780, 17619, 21420, 23492, 25170, 28526, 29365, 30204, 35238, 37755, 42789, 50340, 52857, 57052, 58730, 70476, 71315, 75510, 85578, 88095, 99841, 105714, 117460, 128367, 142630, 151020, 171156, 176190, 199682, 211428, 213945, 256734, 264285, 285260, 299523, 352380, 399364, 427890, 499205, 513468, 528570, 599046, 641835, 855780, 898569, 998410, 1057140, 1198092, 1283670, 1497615, 1797138, 1996820, 2567340, 2995230, 3594276, 4492845, 5990460, 8985690, 17971380]

約数ペア:

[(1, 17971380), (2, 8985690), (3, 5990460), (4, 4492845), (5, 3594276), (6, 2995230), (7, 2567340), (9, 1996820), (10, 1797138), (12, 1497615), (14, 1283670), (15, 1198092), (17, 1057140), (18, 998410), (20, 898569), (21, 855780), (28, 641835), (30, 599046), (34, 528570), (35, 513468), (36, 499205), (42, 427890), (45, 399364), (51, 352380), (60, 299523), (63, 285260), (68, 264285), (70, 256734), (84, 213945), (85, 211428), (90, 199682), (102, 176190), (105, 171156), (119, 151020), (126, 142630), (140, 128367), (153, 117460), (170, 105714), (180, 99841), (204, 88095), (210, 85578), (238, 75510), (252, 71315), (255, 70476), (306, 58730), (315, 57052), (340, 52857), (357, 50340), (420, 42789), (476, 37755), (510, 35238), (595, 30204), (612, 29365), (630, 28526), (714, 25170), (765, 23492), (839, 21420), (1020, 17619), (1071, 16780), (1190, 15102), (1260, 14263), (1428, 12585), (1530, 11746), (1678, 10710), (1785, 10068), (2142, 8390), (2380, 7551), (2517, 7140), (3060, 5873), (3356, 5355), (3570, 5034), (4195, 4284)]