1278697980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:584

約数の個数: 192

約数和(自身を含む): 4212375552

約数和(自身を除く): 2933677572

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 188, 210, 211, 235, 282, 307, 329, 420, 422, 470, 564, 614, 633, 658, 705, 844, 921, 940, 987, 1055, 1228, 1266, 1316, 1410, 1477, 1535, 1645, 1842, 1974, 2110, 2149, 2532, 2820, 2954, 3070, 3165, 3290, 3684, 3948, 4220, 4298, 4431, 4605, 4935, 5908, 6140, 6330, 6447, 6580, 7385, 8596, 8862, 9210, 9870, 9917, 10745, 12660, 12894, 14429, 14770, 17724, 18420, 19740, 19834, 21490, 22155, 25788, 28858, 29540, 29751, 32235, 39668, 42980, 43287, 44310, 49585, 57716, 59502, 64470, 64777, 69419, 72145, 86574, 88620, 99170, 101003, 119004, 128940, 129554, 138838, 144290, 148755, 173148, 194331, 198340, 202006, 208257, 216435, 259108, 277676, 288580, 297510, 303009, 323885, 347095, 388662, 404012, 416514, 432870, 453439, 505015, 595020, 606018, 647770, 694190, 777324, 833028, 865740, 906878, 971655, 1010030, 1041285, 1212036, 1295540, 1360317, 1388380, 1515045, 1813756, 1943310, 2020060, 2082570, 2267195, 2720634, 3030090, 3044519, 3886620, 4165140, 4534390, 5441268, 6060180, 6089038, 6801585, 9068780, 9133557, 12178076, 13603170, 15222595, 18267114, 21311633, 27206340, 30445190, 36534228, 42623266, 45667785, 60890380, 63934899, 85246532, 91335570, 106558165, 127869798, 182671140, 213116330, 255739596, 319674495, 426232660, 639348990, 1278697980]

約数ペア:

[(1, 1278697980), (2, 639348990), (3, 426232660), (4, 319674495), (5, 255739596), (6, 213116330), (7, 182671140), (10, 127869798), (12, 106558165), (14, 91335570), (15, 85246532), (20, 63934899), (21, 60890380), (28, 45667785), (30, 42623266), (35, 36534228), (42, 30445190), (47, 27206340), (60, 21311633), (70, 18267114), (84, 15222595), (94, 13603170), (105, 12178076), (140, 9133557), (141, 9068780), (188, 6801585), (210, 6089038), (211, 6060180), (235, 5441268), (282, 4534390), (307, 4165140), (329, 3886620), (420, 3044519), (422, 3030090), (470, 2720634), (564, 2267195), (614, 2082570), (633, 2020060), (658, 1943310), (705, 1813756), (844, 1515045), (921, 1388380), (940, 1360317), (987, 1295540), (1055, 1212036), (1228, 1041285), (1266, 1010030), (1316, 971655), (1410, 906878), (1477, 865740), (1535, 833028), (1645, 777324), (1842, 694190), (1974, 647770), (2110, 606018), (2149, 595020), (2532, 505015), (2820, 453439), (2954, 432870), (3070, 416514), (3165, 404012), (3290, 388662), (3684, 347095), (3948, 323885), (4220, 303009), (4298, 297510), (4431, 288580), (4605, 277676), (4935, 259108), (5908, 216435), (6140, 208257), (6330, 202006), (6447, 198340), (6580, 194331), (7385, 173148), (8596, 148755), (8862, 144290), (9210, 138838), (9870, 129554), (9917, 128940), (10745, 119004), (12660, 101003), (12894, 99170), (14429, 88620), (14770, 86574), (17724, 72145), (18420, 69419), (19740, 64777), (19834, 64470), (21490, 59502), (22155, 57716), (25788, 49585), (28858, 44310), (29540, 43287), (29751, 42980), (32235, 39668)]