18399780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{859}}^1$

素因数の和:898

約数の個数: 144

約数和(自身を含む): 67616640

約数和(自身を除く): 49216860

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, 859, 1020, 1071, 1190, 1260, 1428, 1530, 1718, 1785, 2142, 2380, 2577, 3060, 3436, 3570, 4284, 4295, 5154, 5355, 6013, 7140, 7731, 8590, 10308, 10710, 12026, 12885, 14603, 15462, 17180, 18039, 21420, 24052, 25770, 29206, 30065, 30924, 36078, 38655, 43809, 51540, 54117, 58412, 60130, 72156, 73015, 77310, 87618, 90195, 102221, 108234, 120260, 131427, 146030, 154620, 175236, 180390, 204442, 216468, 219045, 262854, 270585, 292060, 306663, 360780, 408884, 438090, 511105, 525708, 541170, 613326, 657135, 876180, 919989, 1022210, 1082340, 1226652, 1314270, 1533315, 1839978, 2044420, 2628540, 3066630, 3679956, 4599945, 6133260, 9199890, 18399780]

約数ペア:

[(1, 18399780), (2, 9199890), (3, 6133260), (4, 4599945), (5, 3679956), (6, 3066630), (7, 2628540), (9, 2044420), (10, 1839978), (12, 1533315), (14, 1314270), (15, 1226652), (17, 1082340), (18, 1022210), (20, 919989), (21, 876180), (28, 657135), (30, 613326), (34, 541170), (35, 525708), (36, 511105), (42, 438090), (45, 408884), (51, 360780), (60, 306663), (63, 292060), (68, 270585), (70, 262854), (84, 219045), (85, 216468), (90, 204442), (102, 180390), (105, 175236), (119, 154620), (126, 146030), (140, 131427), (153, 120260), (170, 108234), (180, 102221), (204, 90195), (210, 87618), (238, 77310), (252, 73015), (255, 72156), (306, 60130), (315, 58412), (340, 54117), (357, 51540), (420, 43809), (476, 38655), (510, 36078), (595, 30924), (612, 30065), (630, 29206), (714, 25770), (765, 24052), (859, 21420), (1020, 18039), (1071, 17180), (1190, 15462), (1260, 14603), (1428, 12885), (1530, 12026), (1718, 10710), (1785, 10308), (2142, 8590), (2380, 7731), (2577, 7140), (3060, 6013), (3436, 5355), (3570, 5154), (4284, 4295)]