244459180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 640604160

約数和(自身を除く): 396144980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 62, 70, 79, 92, 115, 124, 140, 155, 158, 161, 217, 230, 310, 316, 322, 395, 434, 460, 553, 620, 644, 713, 790, 805, 868, 961, 1085, 1106, 1426, 1580, 1610, 1817, 1922, 2170, 2212, 2449, 2765, 2852, 3220, 3565, 3634, 3844, 4340, 4805, 4898, 4991, 5530, 6727, 7130, 7268, 9085, 9610, 9796, 9982, 11060, 12245, 12719, 13454, 14260, 17143, 18170, 19220, 19964, 22103, 24490, 24955, 25438, 26908, 33635, 34286, 36340, 44206, 48980, 49910, 50876, 56327, 63595, 67270, 68572, 75919, 85715, 88412, 99820, 110515, 112654, 127190, 134540, 151838, 154721, 171430, 221030, 225308, 254380, 281635, 303676, 309442, 342860, 379595, 394289, 442060, 531433, 563270, 618884, 759190, 773605, 788578, 1062866, 1126540, 1518380, 1547210, 1577156, 1746137, 1971445, 2125732, 2657165, 3094420, 3492274, 3942890, 5314330, 6984548, 7885780, 8730685, 10628660, 12222959, 17461370, 24445918, 34922740, 48891836, 61114795, 122229590, 244459180]

約数ペア:

[(1, 244459180), (2, 122229590), (4, 61114795), (5, 48891836), (7, 34922740), (10, 24445918), (14, 17461370), (20, 12222959), (23, 10628660), (28, 8730685), (31, 7885780), (35, 6984548), (46, 5314330), (62, 3942890), (70, 3492274), (79, 3094420), (92, 2657165), (115, 2125732), (124, 1971445), (140, 1746137), (155, 1577156), (158, 1547210), (161, 1518380), (217, 1126540), (230, 1062866), (310, 788578), (316, 773605), (322, 759190), (395, 618884), (434, 563270), (460, 531433), (553, 442060), (620, 394289), (644, 379595), (713, 342860), (790, 309442), (805, 303676), (868, 281635), (961, 254380), (1085, 225308), (1106, 221030), (1426, 171430), (1580, 154721), (1610, 151838), (1817, 134540), (1922, 127190), (2170, 112654), (2212, 110515), (2449, 99820), (2765, 88412), (2852, 85715), (3220, 75919), (3565, 68572), (3634, 67270), (3844, 63595), (4340, 56327), (4805, 50876), (4898, 49910), (4991, 48980), (5530, 44206), (6727, 36340), (7130, 34286), (7268, 33635), (9085, 26908), (9610, 25438), (9796, 24955), (9982, 24490), (11060, 22103), (12245, 19964), (12719, 19220), (13454, 18170), (14260, 17143)]