420160230

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1697}}^1$

素因数の和:1851

約数の個数: 128

約数和(自身を含む): 1291023360

約数和(自身を除く): 870863130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 131, 135, 189, 210, 262, 270, 315, 378, 393, 630, 655, 786, 917, 945, 1179, 1310, 1697, 1834, 1890, 1965, 2358, 2751, 3394, 3537, 3930, 4585, 5091, 5502, 5895, 7074, 8253, 8485, 9170, 10182, 11790, 11879, 13755, 15273, 16506, 16970, 17685, 23758, 24759, 25455, 27510, 30546, 35370, 35637, 41265, 45819, 49518, 50910, 59395, 71274, 76365, 82530, 91638, 106911, 118790, 123795, 152730, 178185, 213822, 222307, 229095, 247590, 320733, 356370, 444614, 458190, 534555, 641466, 666921, 1069110, 1111535, 1333842, 1556149, 1603665, 2000763, 2223070, 3112298, 3207330, 3334605, 4001526, 4668447, 6002289, 6669210, 7780745, 9336894, 10003815, 12004578, 14005341, 15561490, 20007630, 23342235, 28010682, 30011445, 42016023, 46684470, 60022890, 70026705, 84032046, 140053410, 210080115, 420160230]

約数ペア:

[(1, 420160230), (2, 210080115), (3, 140053410), (5, 84032046), (6, 70026705), (7, 60022890), (9, 46684470), (10, 42016023), (14, 30011445), (15, 28010682), (18, 23342235), (21, 20007630), (27, 15561490), (30, 14005341), (35, 12004578), (42, 10003815), (45, 9336894), (54, 7780745), (63, 6669210), (70, 6002289), (90, 4668447), (105, 4001526), (126, 3334605), (131, 3207330), (135, 3112298), (189, 2223070), (210, 2000763), (262, 1603665), (270, 1556149), (315, 1333842), (378, 1111535), (393, 1069110), (630, 666921), (655, 641466), (786, 534555), (917, 458190), (945, 444614), (1179, 356370), (1310, 320733), (1697, 247590), (1834, 229095), (1890, 222307), (1965, 213822), (2358, 178185), (2751, 152730), (3394, 123795), (3537, 118790), (3930, 106911), (4585, 91638), (5091, 82530), (5502, 76365), (5895, 71274), (7074, 59395), (8253, 50910), (8485, 49518), (9170, 45819), (10182, 41265), (11790, 35637), (11879, 35370), (13755, 30546), (15273, 27510), (16506, 25455), (16970, 24759), (17685, 23758)]