256972464

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:568

約数の個数: 180

約数和(自身を含む): 849008160

約数和(自身を除く): 592035696

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 79, 84, 98, 112, 126, 144, 147, 158, 168, 196, 237, 252, 294, 316, 336, 392, 441, 461, 474, 504, 553, 588, 632, 711, 784, 882, 922, 948, 1008, 1106, 1176, 1264, 1383, 1422, 1659, 1764, 1844, 1896, 2212, 2352, 2766, 2844, 3227, 3318, 3528, 3688, 3792, 3871, 4149, 4424, 4977, 5532, 5688, 6454, 6636, 7056, 7376, 7742, 8298, 8848, 9681, 9954, 11064, 11376, 11613, 12908, 13272, 15484, 16596, 19362, 19908, 22128, 22589, 23226, 25816, 26544, 29043, 30968, 33192, 34839, 36419, 38724, 39816, 45178, 46452, 51632, 58086, 61936, 66384, 67767, 69678, 72838, 77448, 79632, 90356, 92904, 109257, 116172, 135534, 139356, 145676, 154896, 180712, 185808, 203301, 218514, 232344, 254933, 271068, 278712, 291352, 327771, 361424, 406602, 437028, 464688, 509866, 542136, 557424, 582704, 655542, 764799, 813204, 874056, 1019732, 1084272, 1311084, 1529598, 1626408, 1748112, 1784531, 2039464, 2294397, 2622168, 3059196, 3252816, 3569062, 4078928, 4588794, 5244336, 5353593, 6118392, 7138124, 9177588, 10707186, 12236784, 14276248, 16060779, 18355176, 21414372, 28552496, 32121558, 36710352, 42828744, 64243116, 85657488, 128486232, 256972464]

約数ペア:

[(1, 256972464), (2, 128486232), (3, 85657488), (4, 64243116), (6, 42828744), (7, 36710352), (8, 32121558), (9, 28552496), (12, 21414372), (14, 18355176), (16, 16060779), (18, 14276248), (21, 12236784), (24, 10707186), (28, 9177588), (36, 7138124), (42, 6118392), (48, 5353593), (49, 5244336), (56, 4588794), (63, 4078928), (72, 3569062), (79, 3252816), (84, 3059196), (98, 2622168), (112, 2294397), (126, 2039464), (144, 1784531), (147, 1748112), (158, 1626408), (168, 1529598), (196, 1311084), (237, 1084272), (252, 1019732), (294, 874056), (316, 813204), (336, 764799), (392, 655542), (441, 582704), (461, 557424), (474, 542136), (504, 509866), (553, 464688), (588, 437028), (632, 406602), (711, 361424), (784, 327771), (882, 291352), (922, 278712), (948, 271068), (1008, 254933), (1106, 232344), (1176, 218514), (1264, 203301), (1383, 185808), (1422, 180712), (1659, 154896), (1764, 145676), (1844, 139356), (1896, 135534), (2212, 116172), (2352, 109257), (2766, 92904), (2844, 90356), (3227, 79632), (3318, 77448), (3528, 72838), (3688, 69678), (3792, 67767), (3871, 66384), (4149, 61936), (4424, 58086), (4977, 51632), (5532, 46452), (5688, 45178), (6454, 39816), (6636, 38724), (7056, 36419), (7376, 34839), (7742, 33192), (8298, 30968), (8848, 29043), (9681, 26544), (9954, 25816), (11064, 23226), (11376, 22589), (11613, 22128), (12908, 19908), (13272, 19362), (15484, 16596)]