2720318076

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:365

約数の個数: 216

約数和(自身を含む): 8327854080

約数和(自身を除く): 5607536004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 47, 62, 63, 84, 93, 94, 124, 126, 141, 186, 188, 217, 239, 252, 279, 282, 329, 372, 423, 434, 478, 558, 564, 651, 658, 717, 846, 868, 956, 961, 987, 1116, 1302, 1316, 1434, 1457, 1673, 1692, 1922, 1953, 1974, 2151, 2604, 2868, 2883, 2914, 2961, 3346, 3844, 3906, 3948, 4302, 4371, 5019, 5766, 5828, 5922, 6692, 6727, 7409, 7812, 8604, 8649, 8742, 10038, 10199, 11233, 11532, 11844, 13113, 13454, 14818, 15057, 17298, 17484, 20076, 20181, 20398, 22227, 22466, 26226, 26908, 29636, 30114, 30597, 33699, 34596, 40362, 40796, 44454, 44932, 45167, 51863, 52452, 60228, 60543, 61194, 66681, 67398, 78631, 80724, 88908, 90334, 91791, 101097, 103726, 121086, 122388, 133362, 134796, 135501, 155589, 157262, 180668, 183582, 202194, 207452, 229679, 235893, 242172, 266724, 271002, 311178, 314524, 316169, 348223, 367164, 404388, 406503, 459358, 466767, 471786, 542004, 622356, 632338, 689037, 696446, 707679, 813006, 918716, 933534, 943572, 948507, 1044669, 1264676, 1378074, 1392892, 1415358, 1607753, 1626012, 1867068, 1897014, 2067111, 2089338, 2437561, 2756148, 2830716, 2845521, 3134007, 3215506, 3794028, 4134222, 4178676, 4823259, 4875122, 5691042, 6268014, 6431012, 7312683, 8268444, 9646518, 9750244, 10794913, 11382084, 12536028, 14469777, 14625366, 19293036, 21589826, 21938049, 28939554, 29250732, 32384739, 43179652, 43876098, 57879108, 64769478, 75564391, 87752196, 97154217, 129538956, 151128782, 194308434, 226693173, 302257564, 388616868, 453386346, 680079519, 906772692, 1360159038, 2720318076]

約数ペア:

[(1, 2720318076), (2, 1360159038), (3, 906772692), (4, 680079519), (6, 453386346), (7, 388616868), (9, 302257564), (12, 226693173), (14, 194308434), (18, 151128782), (21, 129538956), (28, 97154217), (31, 87752196), (36, 75564391), (42, 64769478), (47, 57879108), (62, 43876098), (63, 43179652), (84, 32384739), (93, 29250732), (94, 28939554), (124, 21938049), (126, 21589826), (141, 19293036), (186, 14625366), (188, 14469777), (217, 12536028), (239, 11382084), (252, 10794913), (279, 9750244), (282, 9646518), (329, 8268444), (372, 7312683), (423, 6431012), (434, 6268014), (478, 5691042), (558, 4875122), (564, 4823259), (651, 4178676), (658, 4134222), (717, 3794028), (846, 3215506), (868, 3134007), (956, 2845521), (961, 2830716), (987, 2756148), (1116, 2437561), (1302, 2089338), (1316, 2067111), (1434, 1897014), (1457, 1867068), (1673, 1626012), (1692, 1607753), (1922, 1415358), (1953, 1392892), (1974, 1378074), (2151, 1264676), (2604, 1044669), (2868, 948507), (2883, 943572), (2914, 933534), (2961, 918716), (3346, 813006), (3844, 707679), (3906, 696446), (3948, 689037), (4302, 632338), (4371, 622356), (5019, 542004), (5766, 471786), (5828, 466767), (5922, 459358), (6692, 406503), (6727, 404388), (7409, 367164), (7812, 348223), (8604, 316169), (8649, 314524), (8742, 311178), (10038, 271002), (10199, 266724), (11233, 242172), (11532, 235893), (11844, 229679), (13113, 207452), (13454, 202194), (14818, 183582), (15057, 180668), (17298, 157262), (17484, 155589), (20076, 135501), (20181, 134796), (20398, 133362), (22227, 122388), (22466, 121086), (26226, 103726), (26908, 101097), (29636, 91791), (30114, 90334), (30597, 88908), (33699, 80724), (34596, 78631), (40362, 67398), (40796, 66681), (44454, 61194), (44932, 60543), (45167, 60228), (51863, 52452)]