256340448

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9781}}^1$

素因数の和:9817

約数の個数: 144

約数和(自身を含む): 897283296

約数和(自身を除く): 640942848

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 96, 104, 112, 117, 126, 144, 156, 168, 182, 208, 224, 234, 252, 273, 288, 312, 336, 364, 416, 468, 504, 546, 624, 672, 728, 819, 936, 1008, 1092, 1248, 1456, 1638, 1872, 2016, 2184, 2912, 3276, 3744, 4368, 6552, 8736, 9781, 13104, 19562, 26208, 29343, 39124, 58686, 68467, 78248, 88029, 117372, 127153, 136934, 156496, 176058, 205401, 234744, 254306, 273868, 312992, 352116, 381459, 410802, 469488, 508612, 547736, 616203, 704232, 762918, 821604, 890071, 938976, 1017224, 1095472, 1144377, 1232406, 1408464, 1525836, 1643208, 1780142, 2034448, 2190944, 2288754, 2464812, 2670213, 2816928, 3051672, 3286416, 3560284, 4068896, 4577508, 4929624, 5340426, 6103344, 6572832, 7120568, 8010639, 9155016, 9859248, 10680852, 12206688, 14241136, 16021278, 18310032, 19718496, 21361704, 28482272, 32042556, 36620064, 42723408, 64085112, 85446816, 128170224, 256340448]

約数ペア:

[(1, 256340448), (2, 128170224), (3, 85446816), (4, 64085112), (6, 42723408), (7, 36620064), (8, 32042556), (9, 28482272), (12, 21361704), (13, 19718496), (14, 18310032), (16, 16021278), (18, 14241136), (21, 12206688), (24, 10680852), (26, 9859248), (28, 9155016), (32, 8010639), (36, 7120568), (39, 6572832), (42, 6103344), (48, 5340426), (52, 4929624), (56, 4577508), (63, 4068896), (72, 3560284), (78, 3286416), (84, 3051672), (91, 2816928), (96, 2670213), (104, 2464812), (112, 2288754), (117, 2190944), (126, 2034448), (144, 1780142), (156, 1643208), (168, 1525836), (182, 1408464), (208, 1232406), (224, 1144377), (234, 1095472), (252, 1017224), (273, 938976), (288, 890071), (312, 821604), (336, 762918), (364, 704232), (416, 616203), (468, 547736), (504, 508612), (546, 469488), (624, 410802), (672, 381459), (728, 352116), (819, 312992), (936, 273868), (1008, 254306), (1092, 234744), (1248, 205401), (1456, 176058), (1638, 156496), (1872, 136934), (2016, 127153), (2184, 117372), (2912, 88029), (3276, 78248), (3744, 68467), (4368, 58686), (6552, 39124), (8736, 29343), (9781, 26208), (13104, 19562)]