71508780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:173

約数の個数: 288

約数和(自身を含む): 272563200

約数和(自身を除く): 201054420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 29, 30, 35, 36, 38, 42, 45, 57, 58, 60, 63, 70, 76, 84, 87, 90, 95, 103, 105, 114, 116, 126, 133, 140, 145, 171, 174, 180, 190, 203, 206, 210, 228, 252, 261, 266, 285, 290, 309, 315, 342, 348, 380, 399, 406, 412, 420, 435, 515, 522, 532, 551, 570, 580, 609, 618, 630, 665, 684, 721, 798, 812, 855, 870, 927, 1015, 1030, 1044, 1102, 1140, 1197, 1218, 1236, 1260, 1305, 1330, 1442, 1545, 1596, 1653, 1710, 1740, 1827, 1854, 1957, 1995, 2030, 2060, 2163, 2204, 2394, 2436, 2610, 2660, 2755, 2884, 2987, 3045, 3090, 3306, 3420, 3605, 3654, 3708, 3857, 3914, 3990, 4060, 4326, 4635, 4788, 4959, 5220, 5510, 5871, 5974, 5985, 6090, 6180, 6489, 6612, 7210, 7308, 7714, 7828, 7980, 8265, 8652, 8961, 9135, 9270, 9785, 9918, 10815, 11020, 11571, 11742, 11948, 11970, 12180, 12978, 13699, 14420, 14935, 15428, 16530, 17613, 17922, 18270, 18540, 19285, 19570, 19836, 20909, 21630, 23142, 23484, 23940, 24795, 25956, 26883, 27398, 29355, 29870, 32445, 33060, 34713, 35226, 35844, 36540, 38570, 39140, 41097, 41818, 43260, 44805, 46284, 49590, 53766, 54796, 56753, 57855, 58710, 59740, 62727, 64890, 68495, 69426, 70452, 77140, 82194, 83636, 88065, 89610, 99180, 104545, 107532, 113506, 115710, 117420, 123291, 125454, 129780, 134415, 136990, 138852, 164388, 170259, 173565, 176130, 179220, 188181, 205485, 209090, 227012, 231420, 246582, 250908, 268830, 273980, 283765, 313635, 340518, 347130, 352260, 376362, 397271, 410970, 418180, 493164, 510777, 537660, 567530, 616455, 627270, 681036, 694260, 752724, 794542, 821940, 851295, 940905, 1021554, 1135060, 1191813, 1232910, 1254540, 1589084, 1702590, 1881810, 1986355, 2043108, 2383626, 2465820, 2553885, 3405180, 3575439, 3763620, 3972710, 4767252, 5107770, 5959065, 7150878, 7945420, 10215540, 11918130, 14301756, 17877195, 23836260, 35754390, 71508780]

約数ペア:

[(1, 71508780), (2, 35754390), (3, 23836260), (4, 17877195), (5, 14301756), (6, 11918130), (7, 10215540), (9, 7945420), (10, 7150878), (12, 5959065), (14, 5107770), (15, 4767252), (18, 3972710), (19, 3763620), (20, 3575439), (21, 3405180), (28, 2553885), (29, 2465820), (30, 2383626), (35, 2043108), (36, 1986355), (38, 1881810), (42, 1702590), (45, 1589084), (57, 1254540), (58, 1232910), (60, 1191813), (63, 1135060), (70, 1021554), (76, 940905), (84, 851295), (87, 821940), (90, 794542), (95, 752724), (103, 694260), (105, 681036), (114, 627270), (116, 616455), (126, 567530), (133, 537660), (140, 510777), (145, 493164), (171, 418180), (174, 410970), (180, 397271), (190, 376362), (203, 352260), (206, 347130), (210, 340518), (228, 313635), (252, 283765), (261, 273980), (266, 268830), (285, 250908), (290, 246582), (309, 231420), (315, 227012), (342, 209090), (348, 205485), (380, 188181), (399, 179220), (406, 176130), (412, 173565), (420, 170259), (435, 164388), (515, 138852), (522, 136990), (532, 134415), (551, 129780), (570, 125454), (580, 123291), (609, 117420), (618, 115710), (630, 113506), (665, 107532), (684, 104545), (721, 99180), (798, 89610), (812, 88065), (855, 83636), (870, 82194), (927, 77140), (1015, 70452), (1030, 69426), (1044, 68495), (1102, 64890), (1140, 62727), (1197, 59740), (1218, 58710), (1236, 57855), (1260, 56753), (1305, 54796), (1330, 53766), (1442, 49590), (1545, 46284), (1596, 44805), (1653, 43260), (1710, 41818), (1740, 41097), (1827, 39140), (1854, 38570), (1957, 36540), (1995, 35844), (2030, 35226), (2060, 34713), (2163, 33060), (2204, 32445), (2394, 29870), (2436, 29355), (2610, 27398), (2660, 26883), (2755, 25956), (2884, 24795), (2987, 23940), (3045, 23484), (3090, 23142), (3306, 21630), (3420, 20909), (3605, 19836), (3654, 19570), (3708, 19285), (3857, 18540), (3914, 18270), (3990, 17922), (4060, 17613), (4326, 16530), (4635, 15428), (4788, 14935), (4959, 14420), (5220, 13699), (5510, 12978), (5871, 12180), (5974, 11970), (5985, 11948), (6090, 11742), (6180, 11571), (6489, 11020), (6612, 10815), (7210, 9918), (7308, 9785), (7714, 9270), (7828, 9135), (7980, 8961), (8265, 8652)]