256143384

素因数分解:

$2^3\times 3^5\times 7^2\times {\mathrm{2689}}^1$

素因数の和:2724

約数の個数: 144

約数和(自身を含む): 837181800

約数和(自身を除く): 581038416

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 49, 54, 56, 63, 72, 81, 84, 98, 108, 126, 147, 162, 168, 189, 196, 216, 243, 252, 294, 324, 378, 392, 441, 486, 504, 567, 588, 648, 756, 882, 972, 1134, 1176, 1323, 1512, 1701, 1764, 1944, 2268, 2646, 2689, 3402, 3528, 3969, 4536, 5292, 5378, 6804, 7938, 8067, 10584, 10756, 11907, 13608, 15876, 16134, 18823, 21512, 23814, 24201, 31752, 32268, 37646, 47628, 48402, 56469, 64536, 72603, 75292, 95256, 96804, 112938, 131761, 145206, 150584, 169407, 193608, 217809, 225876, 263522, 290412, 338814, 395283, 435618, 451752, 508221, 527044, 580824, 653427, 677628, 790566, 871236, 1016442, 1054088, 1185849, 1306854, 1355256, 1524663, 1581132, 1742472, 2032884, 2371698, 2613708, 3049326, 3162264, 3557547, 4065768, 4573989, 4743396, 5227416, 6098652, 7115094, 9147978, 9486792, 10672641, 12197304, 14230188, 18295956, 21345282, 28460376, 32017923, 36591912, 42690564, 64035846, 85381128, 128071692, 256143384]

約数ペア:

[(1, 256143384), (2, 128071692), (3, 85381128), (4, 64035846), (6, 42690564), (7, 36591912), (8, 32017923), (9, 28460376), (12, 21345282), (14, 18295956), (18, 14230188), (21, 12197304), (24, 10672641), (27, 9486792), (28, 9147978), (36, 7115094), (42, 6098652), (49, 5227416), (54, 4743396), (56, 4573989), (63, 4065768), (72, 3557547), (81, 3162264), (84, 3049326), (98, 2613708), (108, 2371698), (126, 2032884), (147, 1742472), (162, 1581132), (168, 1524663), (189, 1355256), (196, 1306854), (216, 1185849), (243, 1054088), (252, 1016442), (294, 871236), (324, 790566), (378, 677628), (392, 653427), (441, 580824), (486, 527044), (504, 508221), (567, 451752), (588, 435618), (648, 395283), (756, 338814), (882, 290412), (972, 263522), (1134, 225876), (1176, 217809), (1323, 193608), (1512, 169407), (1701, 150584), (1764, 145206), (1944, 131761), (2268, 112938), (2646, 96804), (2689, 95256), (3402, 75292), (3528, 72603), (3969, 64536), (4536, 56469), (5292, 48402), (5378, 47628), (6804, 37646), (7938, 32268), (8067, 31752), (10584, 24201), (10756, 23814), (11907, 21512), (13608, 18823), (15876, 16134)]