256588416

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{677}}^1$

素因数の和:751

約数の個数: 192

約数和(自身を含む): 863066880

約数和(自身を除く): 606478464

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 47, 48, 56, 63, 64, 72, 84, 94, 96, 112, 126, 128, 141, 144, 168, 188, 192, 224, 252, 282, 288, 329, 336, 376, 384, 423, 448, 504, 564, 576, 658, 672, 677, 752, 846, 896, 987, 1008, 1128, 1152, 1316, 1344, 1354, 1504, 1692, 1974, 2016, 2031, 2256, 2632, 2688, 2708, 2961, 3008, 3384, 3948, 4032, 4062, 4512, 4739, 5264, 5416, 5922, 6016, 6093, 6768, 7896, 8064, 8124, 9024, 9478, 10528, 10832, 11844, 12186, 13536, 14217, 15792, 16248, 18048, 18956, 21056, 21664, 23688, 24372, 27072, 28434, 31584, 31819, 32496, 37912, 42112, 42651, 43328, 47376, 48744, 54144, 56868, 63168, 63638, 64992, 75824, 85302, 86656, 94752, 95457, 97488, 113736, 126336, 127276, 129984, 151648, 170604, 189504, 190914, 194976, 222733, 227472, 254552, 259968, 286371, 303296, 341208, 379008, 381828, 389952, 445466, 454944, 509104, 572742, 606592, 668199, 682416, 763656, 779904, 890932, 909888, 1018208, 1145484, 1336398, 1364832, 1527312, 1781864, 1819776, 2004597, 2036416, 2290968, 2672796, 2729664, 3054624, 3563728, 4009194, 4072832, 4581936, 5345592, 5459328, 6109248, 7127456, 8018388, 9163872, 10691184, 12218496, 14254912, 16036776, 18327744, 21382368, 28509824, 32073552, 36655488, 42764736, 64147104, 85529472, 128294208, 256588416]

約数ペア:

[(1, 256588416), (2, 128294208), (3, 85529472), (4, 64147104), (6, 42764736), (7, 36655488), (8, 32073552), (9, 28509824), (12, 21382368), (14, 18327744), (16, 16036776), (18, 14254912), (21, 12218496), (24, 10691184), (28, 9163872), (32, 8018388), (36, 7127456), (42, 6109248), (47, 5459328), (48, 5345592), (56, 4581936), (63, 4072832), (64, 4009194), (72, 3563728), (84, 3054624), (94, 2729664), (96, 2672796), (112, 2290968), (126, 2036416), (128, 2004597), (141, 1819776), (144, 1781864), (168, 1527312), (188, 1364832), (192, 1336398), (224, 1145484), (252, 1018208), (282, 909888), (288, 890932), (329, 779904), (336, 763656), (376, 682416), (384, 668199), (423, 606592), (448, 572742), (504, 509104), (564, 454944), (576, 445466), (658, 389952), (672, 381828), (677, 379008), (752, 341208), (846, 303296), (896, 286371), (987, 259968), (1008, 254552), (1128, 227472), (1152, 222733), (1316, 194976), (1344, 190914), (1354, 189504), (1504, 170604), (1692, 151648), (1974, 129984), (2016, 127276), (2031, 126336), (2256, 113736), (2632, 97488), (2688, 95457), (2708, 94752), (2961, 86656), (3008, 85302), (3384, 75824), (3948, 64992), (4032, 63638), (4062, 63168), (4512, 56868), (4739, 54144), (5264, 48744), (5416, 47376), (5922, 43328), (6016, 42651), (6093, 42112), (6768, 37912), (7896, 32496), (8064, 31819), (8124, 31584), (9024, 28434), (9478, 27072), (10528, 24372), (10832, 23688), (11844, 21664), (12186, 21056), (13536, 18956), (14217, 18048), (15792, 16248)]