161781480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1493}}^1$

素因数の和:1560

約数の個数: 192

約数和(自身を含む): 615288960

約数和(自身を除く): 453507480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 43, 45, 56, 60, 63, 70, 72, 84, 86, 90, 105, 120, 126, 129, 140, 168, 172, 180, 210, 215, 252, 258, 280, 301, 315, 344, 360, 387, 420, 430, 504, 516, 602, 630, 645, 774, 840, 860, 903, 1032, 1204, 1260, 1290, 1493, 1505, 1548, 1720, 1806, 1935, 2408, 2520, 2580, 2709, 2986, 3010, 3096, 3612, 3870, 4479, 4515, 5160, 5418, 5972, 6020, 7224, 7465, 7740, 8958, 9030, 10451, 10836, 11944, 12040, 13437, 13545, 14930, 15480, 17916, 18060, 20902, 21672, 22395, 26874, 27090, 29860, 31353, 35832, 36120, 41804, 44790, 52255, 53748, 54180, 59720, 62706, 64199, 67185, 83608, 89580, 94059, 104510, 107496, 108360, 125412, 128398, 134370, 156765, 179160, 188118, 192597, 209020, 250824, 256796, 268740, 313530, 320995, 376236, 385194, 418040, 449393, 470295, 513592, 537480, 577791, 627060, 641990, 752472, 770388, 898786, 940590, 962985, 1155582, 1254120, 1283980, 1348179, 1540776, 1797572, 1881180, 1925970, 2246965, 2311164, 2567960, 2696358, 2888955, 3595144, 3762360, 3851940, 4044537, 4493930, 4622328, 5392716, 5777910, 6740895, 7703880, 8089074, 8987860, 10785432, 11555820, 13481790, 16178148, 17975720, 20222685, 23111640, 26963580, 32356296, 40445370, 53927160, 80890740, 161781480]

約数ペア:

[(1, 161781480), (2, 80890740), (3, 53927160), (4, 40445370), (5, 32356296), (6, 26963580), (7, 23111640), (8, 20222685), (9, 17975720), (10, 16178148), (12, 13481790), (14, 11555820), (15, 10785432), (18, 8987860), (20, 8089074), (21, 7703880), (24, 6740895), (28, 5777910), (30, 5392716), (35, 4622328), (36, 4493930), (40, 4044537), (42, 3851940), (43, 3762360), (45, 3595144), (56, 2888955), (60, 2696358), (63, 2567960), (70, 2311164), (72, 2246965), (84, 1925970), (86, 1881180), (90, 1797572), (105, 1540776), (120, 1348179), (126, 1283980), (129, 1254120), (140, 1155582), (168, 962985), (172, 940590), (180, 898786), (210, 770388), (215, 752472), (252, 641990), (258, 627060), (280, 577791), (301, 537480), (315, 513592), (344, 470295), (360, 449393), (387, 418040), (420, 385194), (430, 376236), (504, 320995), (516, 313530), (602, 268740), (630, 256796), (645, 250824), (774, 209020), (840, 192597), (860, 188118), (903, 179160), (1032, 156765), (1204, 134370), (1260, 128398), (1290, 125412), (1493, 108360), (1505, 107496), (1548, 104510), (1720, 94059), (1806, 89580), (1935, 83608), (2408, 67185), (2520, 64199), (2580, 62706), (2709, 59720), (2986, 54180), (3010, 53748), (3096, 52255), (3612, 44790), (3870, 41804), (4479, 36120), (4515, 35832), (5160, 31353), (5418, 29860), (5972, 27090), (6020, 26874), (7224, 22395), (7465, 21672), (7740, 20902), (8958, 18060), (9030, 17916), (10451, 15480), (10836, 14930), (11944, 13545), (12040, 13437)]