31778460

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{1201}}^1$

素因数の和:1233

約数の個数: 144

約数和(自身を含む): 115103520

約数和(自身を除く): 83325060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1201, 1260, 1323, 1470, 1764, 1890, 2205, 2402, 2646, 2940, 3603, 3780, 4410, 4804, 5292, 6005, 6615, 7206, 8407, 8820, 10809, 12010, 13230, 14412, 16814, 18015, 21618, 24020, 25221, 26460, 32427, 33628, 36030, 42035, 43236, 50442, 54045, 58849, 64854, 72060, 75663, 84070, 100884, 108090, 117698, 126105, 129708, 151326, 162135, 168140, 176547, 216180, 226989, 235396, 252210, 294245, 302652, 324270, 353094, 378315, 453978, 504420, 529641, 588490, 648540, 706188, 756630, 882735, 907956, 1059282, 1134945, 1176980, 1513260, 1588923, 1765470, 2118564, 2269890, 2648205, 3177846, 3530940, 4539780, 5296410, 6355692, 7944615, 10592820, 15889230, 31778460]

約数ペア:

[(1, 31778460), (2, 15889230), (3, 10592820), (4, 7944615), (5, 6355692), (6, 5296410), (7, 4539780), (9, 3530940), (10, 3177846), (12, 2648205), (14, 2269890), (15, 2118564), (18, 1765470), (20, 1588923), (21, 1513260), (27, 1176980), (28, 1134945), (30, 1059282), (35, 907956), (36, 882735), (42, 756630), (45, 706188), (49, 648540), (54, 588490), (60, 529641), (63, 504420), (70, 453978), (84, 378315), (90, 353094), (98, 324270), (105, 302652), (108, 294245), (126, 252210), (135, 235396), (140, 226989), (147, 216180), (180, 176547), (189, 168140), (196, 162135), (210, 151326), (245, 129708), (252, 126105), (270, 117698), (294, 108090), (315, 100884), (378, 84070), (420, 75663), (441, 72060), (490, 64854), (540, 58849), (588, 54045), (630, 50442), (735, 43236), (756, 42035), (882, 36030), (945, 33628), (980, 32427), (1201, 26460), (1260, 25221), (1323, 24020), (1470, 21618), (1764, 18015), (1890, 16814), (2205, 14412), (2402, 13230), (2646, 12010), (2940, 10809), (3603, 8820), (3780, 8407), (4410, 7206), (4804, 6615), (5292, 6005)]