256276566

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:176

約数の個数: 192

約数和(自身を含む): 726835200

約数和(自身を除く): 470558634

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 31, 39, 42, 49, 62, 63, 78, 91, 93, 98, 103, 117, 126, 147, 182, 186, 206, 217, 234, 273, 279, 294, 309, 343, 403, 434, 441, 546, 558, 618, 637, 651, 686, 721, 806, 819, 882, 927, 1029, 1209, 1274, 1302, 1339, 1442, 1519, 1638, 1854, 1911, 1953, 2058, 2163, 2418, 2678, 2821, 3038, 3087, 3193, 3627, 3822, 3906, 4017, 4326, 4459, 4557, 5047, 5642, 5733, 6174, 6386, 6489, 7254, 8034, 8463, 8918, 9114, 9373, 9579, 10094, 10633, 11466, 12051, 12978, 13377, 13671, 15141, 16926, 18746, 19158, 19747, 21266, 22351, 24102, 25389, 26754, 27342, 28119, 28737, 30282, 31899, 35329, 39494, 40131, 41509, 44702, 45423, 50778, 56238, 57474, 59241, 63798, 65611, 67053, 70658, 80262, 83018, 84357, 90846, 95697, 105987, 118482, 124527, 131222, 134106, 138229, 156457, 168714, 177723, 191394, 196833, 201159, 211974, 249054, 276458, 290563, 312914, 317961, 355446, 373581, 393666, 402318, 414687, 459277, 469371, 581126, 590499, 635922, 747162, 829374, 871689, 918554, 938742, 1095199, 1180998, 1244061, 1377831, 1408113, 1743378, 2033941, 2190398, 2488122, 2615067, 2755662, 2816226, 3285597, 4067882, 4133493, 5230134, 6101823, 6571194, 8266986, 9856791, 12203646, 14237587, 18305469, 19713582, 28475174, 36610938, 42712761, 85425522, 128138283, 256276566]

約数ペア:

[(1, 256276566), (2, 128138283), (3, 85425522), (6, 42712761), (7, 36610938), (9, 28475174), (13, 19713582), (14, 18305469), (18, 14237587), (21, 12203646), (26, 9856791), (31, 8266986), (39, 6571194), (42, 6101823), (49, 5230134), (62, 4133493), (63, 4067882), (78, 3285597), (91, 2816226), (93, 2755662), (98, 2615067), (103, 2488122), (117, 2190398), (126, 2033941), (147, 1743378), (182, 1408113), (186, 1377831), (206, 1244061), (217, 1180998), (234, 1095199), (273, 938742), (279, 918554), (294, 871689), (309, 829374), (343, 747162), (403, 635922), (434, 590499), (441, 581126), (546, 469371), (558, 459277), (618, 414687), (637, 402318), (651, 393666), (686, 373581), (721, 355446), (806, 317961), (819, 312914), (882, 290563), (927, 276458), (1029, 249054), (1209, 211974), (1274, 201159), (1302, 196833), (1339, 191394), (1442, 177723), (1519, 168714), (1638, 156457), (1854, 138229), (1911, 134106), (1953, 131222), (2058, 124527), (2163, 118482), (2418, 105987), (2678, 95697), (2821, 90846), (3038, 84357), (3087, 83018), (3193, 80262), (3627, 70658), (3822, 67053), (3906, 65611), (4017, 63798), (4326, 59241), (4459, 57474), (4557, 56238), (5047, 50778), (5642, 45423), (5733, 44702), (6174, 41509), (6386, 40131), (6489, 39494), (7254, 35329), (8034, 31899), (8463, 30282), (8918, 28737), (9114, 28119), (9373, 27342), (9579, 26754), (10094, 25389), (10633, 24102), (11466, 22351), (12051, 21266), (12978, 19747), (13377, 19158), (13671, 18746), (15141, 16926)]