128798460

素因数分解:

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

素因数の和:905

約数の個数: 216

約数和(自身を含む): 481768560

約数和(自身を除く): 352970100

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, 49, 51, 60, 63, 68, 70, 84, 85, 90, 98, 102, 105, 119, 126, 140, 147, 153, 170, 180, 196, 204, 210, 238, 245, 252, 255, 294, 306, 315, 340, 357, 420, 441, 476, 490, 510, 588, 595, 612, 630, 714, 735, 765, 833, 859, 882, 980, 1020, 1071, 1190, 1260, 1428, 1470, 1530, 1666, 1718, 1764, 1785, 2142, 2205, 2380, 2499, 2577, 2940, 3060, 3332, 3436, 3570, 4165, 4284, 4295, 4410, 4998, 5154, 5355, 6013, 7140, 7497, 7731, 8330, 8590, 8820, 9996, 10308, 10710, 12026, 12495, 12885, 14603, 14994, 15462, 16660, 17180, 18039, 21420, 24052, 24990, 25770, 29206, 29988, 30065, 30924, 36078, 37485, 38655, 42091, 43809, 49980, 51540, 54117, 58412, 60130, 72156, 73015, 74970, 77310, 84182, 87618, 90195, 102221, 108234, 120260, 126273, 131427, 146030, 149940, 154620, 168364, 175236, 180390, 204442, 210455, 216468, 219045, 252546, 262854, 270585, 292060, 306663, 360780, 378819, 408884, 420910, 438090, 505092, 511105, 525708, 541170, 613326, 631365, 657135, 715547, 757638, 841820, 876180, 919989, 1022210, 1082340, 1226652, 1262730, 1314270, 1431094, 1515276, 1533315, 1839978, 1894095, 2044420, 2146641, 2525460, 2628540, 2862188, 3066630, 3577735, 3679956, 3788190, 4293282, 4599945, 6133260, 6439923, 7155470, 7576380, 8586564, 9199890, 10733205, 12879846, 14310940, 18399780, 21466410, 25759692, 32199615, 42932820, 64399230, 128798460]

約数ペア:

[(1, 128798460), (2, 64399230), (3, 42932820), (4, 32199615), (5, 25759692), (6, 21466410), (7, 18399780), (9, 14310940), (10, 12879846), (12, 10733205), (14, 9199890), (15, 8586564), (17, 7576380), (18, 7155470), (20, 6439923), (21, 6133260), (28, 4599945), (30, 4293282), (34, 3788190), (35, 3679956), (36, 3577735), (42, 3066630), (45, 2862188), (49, 2628540), (51, 2525460), (60, 2146641), (63, 2044420), (68, 1894095), (70, 1839978), (84, 1533315), (85, 1515276), (90, 1431094), (98, 1314270), (102, 1262730), (105, 1226652), (119, 1082340), (126, 1022210), (140, 919989), (147, 876180), (153, 841820), (170, 757638), (180, 715547), (196, 657135), (204, 631365), (210, 613326), (238, 541170), (245, 525708), (252, 511105), (255, 505092), (294, 438090), (306, 420910), (315, 408884), (340, 378819), (357, 360780), (420, 306663), (441, 292060), (476, 270585), (490, 262854), (510, 252546), (588, 219045), (595, 216468), (612, 210455), (630, 204442), (714, 180390), (735, 175236), (765, 168364), (833, 154620), (859, 149940), (882, 146030), (980, 131427), (1020, 126273), (1071, 120260), (1190, 108234), (1260, 102221), (1428, 90195), (1470, 87618), (1530, 84182), (1666, 77310), (1718, 74970), (1764, 73015), (1785, 72156), (2142, 60130), (2205, 58412), (2380, 54117), (2499, 51540), (2577, 49980), (2940, 43809), (3060, 42091), (3332, 38655), (3436, 37485), (3570, 36078), (4165, 30924), (4284, 30065), (4295, 29988), (4410, 29206), (4998, 25770), (5154, 24990), (5355, 24052), (6013, 21420), (7140, 18039), (7497, 17180), (7731, 16660), (8330, 15462), (8590, 14994), (8820, 14603), (9996, 12885), (10308, 12495), (10710, 12026)]