256220496

素因数分解:

$2^4\times 3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:551

約数の個数: 200

約数和(自身を含む): 863270144

約数和(自身を除く): 607049648

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 61, 63, 72, 81, 84, 108, 112, 122, 126, 144, 162, 168, 183, 189, 216, 244, 252, 324, 336, 366, 378, 427, 432, 463, 488, 504, 549, 567, 648, 732, 756, 854, 926, 976, 1008, 1098, 1134, 1281, 1296, 1389, 1464, 1512, 1647, 1708, 1852, 2196, 2268, 2562, 2778, 2928, 3024, 3241, 3294, 3416, 3704, 3843, 4167, 4392, 4536, 4941, 5124, 5556, 6482, 6588, 6832, 7408, 7686, 8334, 8784, 9072, 9723, 9882, 10248, 11112, 11529, 12501, 12964, 13176, 15372, 16668, 19446, 19764, 20496, 22224, 23058, 25002, 25928, 26352, 28243, 29169, 30744, 33336, 34587, 37503, 38892, 39528, 46116, 50004, 51856, 56486, 58338, 61488, 66672, 69174, 75006, 77784, 79056, 84729, 87507, 92232, 100008, 112972, 116676, 138348, 150012, 155568, 169458, 175014, 184464, 197701, 200016, 225944, 233352, 254187, 262521, 276696, 300024, 338916, 350028, 395402, 451888, 466704, 508374, 525042, 553392, 593103, 600048, 677832, 700056, 762561, 790804, 1016748, 1050084, 1186206, 1355664, 1400112, 1525122, 1581608, 1779309, 2033496, 2100168, 2287683, 2372412, 3050244, 3163216, 3558618, 4066992, 4200336, 4575366, 4744824, 5337927, 6100488, 7117236, 9150732, 9489648, 10675854, 12200976, 14234472, 16013781, 18301464, 21351708, 28468944, 32027562, 36602928, 42703416, 64055124, 85406832, 128110248, 256220496]

約数ペア:

[(1, 256220496), (2, 128110248), (3, 85406832), (4, 64055124), (6, 42703416), (7, 36602928), (8, 32027562), (9, 28468944), (12, 21351708), (14, 18301464), (16, 16013781), (18, 14234472), (21, 12200976), (24, 10675854), (27, 9489648), (28, 9150732), (36, 7117236), (42, 6100488), (48, 5337927), (54, 4744824), (56, 4575366), (61, 4200336), (63, 4066992), (72, 3558618), (81, 3163216), (84, 3050244), (108, 2372412), (112, 2287683), (122, 2100168), (126, 2033496), (144, 1779309), (162, 1581608), (168, 1525122), (183, 1400112), (189, 1355664), (216, 1186206), (244, 1050084), (252, 1016748), (324, 790804), (336, 762561), (366, 700056), (378, 677832), (427, 600048), (432, 593103), (463, 553392), (488, 525042), (504, 508374), (549, 466704), (567, 451888), (648, 395402), (732, 350028), (756, 338916), (854, 300024), (926, 276696), (976, 262521), (1008, 254187), (1098, 233352), (1134, 225944), (1281, 200016), (1296, 197701), (1389, 184464), (1464, 175014), (1512, 169458), (1647, 155568), (1708, 150012), (1852, 138348), (2196, 116676), (2268, 112972), (2562, 100008), (2778, 92232), (2928, 87507), (3024, 84729), (3241, 79056), (3294, 77784), (3416, 75006), (3704, 69174), (3843, 66672), (4167, 61488), (4392, 58338), (4536, 56486), (4941, 51856), (5124, 50004), (5556, 46116), (6482, 39528), (6588, 38892), (6832, 37503), (7408, 34587), (7686, 33336), (8334, 30744), (8784, 29169), (9072, 28243), (9723, 26352), (9882, 25928), (10248, 25002), (11112, 23058), (11529, 22224), (12501, 20496), (12964, 19764), (13176, 19446), (15372, 16668)]