256791360

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:190

約数の個数: 336

約数和(自身を含む): 975701376

約数和(自身を除く): 718910016

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 53, 56, 60, 64, 70, 80, 84, 96, 98, 103, 105, 106, 112, 120, 140, 147, 159, 160, 168, 192, 196, 206, 210, 212, 224, 240, 245, 265, 280, 294, 309, 318, 320, 336, 371, 392, 412, 420, 424, 448, 480, 490, 515, 530, 560, 588, 618, 636, 672, 721, 735, 742, 784, 795, 824, 840, 848, 960, 980, 1030, 1060, 1113, 1120, 1176, 1236, 1272, 1344, 1442, 1470, 1484, 1545, 1568, 1590, 1648, 1680, 1696, 1855, 1960, 2060, 2120, 2163, 2226, 2240, 2352, 2472, 2544, 2597, 2884, 2940, 2968, 3090, 3136, 3180, 3296, 3360, 3392, 3605, 3710, 3920, 4120, 4240, 4326, 4452, 4704, 4944, 5047, 5088, 5194, 5459, 5565, 5768, 5880, 5936, 6180, 6360, 6592, 6720, 7210, 7420, 7791, 7840, 8240, 8480, 8652, 8904, 9408, 9888, 10094, 10176, 10388, 10815, 10918, 11130, 11536, 11760, 11872, 12360, 12720, 12985, 14420, 14840, 15141, 15582, 15680, 16377, 16480, 16960, 17304, 17808, 19776, 20188, 20776, 21630, 21836, 22260, 23072, 23520, 23744, 24720, 25235, 25440, 25970, 27295, 28840, 29680, 30282, 31164, 32754, 32960, 34608, 35616, 38213, 38955, 40376, 41552, 43260, 43672, 44520, 46144, 47040, 49440, 50470, 50880, 51940, 54590, 57680, 59360, 60564, 62328, 65508, 69216, 71232, 75705, 76426, 77910, 80752, 81885, 83104, 86520, 87344, 89040, 98880, 100940, 103880, 109180, 114639, 115360, 118720, 121128, 124656, 131016, 138432, 151410, 152852, 155820, 161504, 163770, 166208, 173040, 174688, 178080, 191065, 201880, 207760, 218360, 229278, 230720, 242256, 249312, 262032, 267491, 302820, 305704, 311640, 323008, 327540, 346080, 349376, 356160, 382130, 403760, 415520, 436720, 458556, 484512, 498624, 524064, 534982, 573195, 605640, 611408, 623280, 655080, 692160, 764260, 802473, 807520, 831040, 873440, 917112, 969024, 1048128, 1069964, 1146390, 1211280, 1222816, 1246560, 1310160, 1337455, 1528520, 1604946, 1615040, 1746880, 1834224, 2139928, 2292780, 2422560, 2445632, 2493120, 2620320, 2674910, 3057040, 3209892, 3668448, 4012365, 4279856, 4585560, 4845120, 5240640, 5349820, 6114080, 6419784, 7336896, 8024730, 8559712, 9171120, 10699640, 12228160, 12839568, 16049460, 17119424, 18342240, 21399280, 25679136, 32098920, 36684480, 42798560, 51358272, 64197840, 85597120, 128395680, 256791360]

約数ペア:

[(1, 256791360), (2, 128395680), (3, 85597120), (4, 64197840), (5, 51358272), (6, 42798560), (7, 36684480), (8, 32098920), (10, 25679136), (12, 21399280), (14, 18342240), (15, 17119424), (16, 16049460), (20, 12839568), (21, 12228160), (24, 10699640), (28, 9171120), (30, 8559712), (32, 8024730), (35, 7336896), (40, 6419784), (42, 6114080), (48, 5349820), (49, 5240640), (53, 4845120), (56, 4585560), (60, 4279856), (64, 4012365), (70, 3668448), (80, 3209892), (84, 3057040), (96, 2674910), (98, 2620320), (103, 2493120), (105, 2445632), (106, 2422560), (112, 2292780), (120, 2139928), (140, 1834224), (147, 1746880), (159, 1615040), (160, 1604946), (168, 1528520), (192, 1337455), (196, 1310160), (206, 1246560), (210, 1222816), (212, 1211280), (224, 1146390), (240, 1069964), (245, 1048128), (265, 969024), (280, 917112), (294, 873440), (309, 831040), (318, 807520), (320, 802473), (336, 764260), (371, 692160), (392, 655080), (412, 623280), (420, 611408), (424, 605640), (448, 573195), (480, 534982), (490, 524064), (515, 498624), (530, 484512), (560, 458556), (588, 436720), (618, 415520), (636, 403760), (672, 382130), (721, 356160), (735, 349376), (742, 346080), (784, 327540), (795, 323008), (824, 311640), (840, 305704), (848, 302820), (960, 267491), (980, 262032), (1030, 249312), (1060, 242256), (1113, 230720), (1120, 229278), (1176, 218360), (1236, 207760), (1272, 201880), (1344, 191065), (1442, 178080), (1470, 174688), (1484, 173040), (1545, 166208), (1568, 163770), (1590, 161504), (1648, 155820), (1680, 152852), (1696, 151410), (1855, 138432), (1960, 131016), (2060, 124656), (2120, 121128), (2163, 118720), (2226, 115360), (2240, 114639), (2352, 109180), (2472, 103880), (2544, 100940), (2597, 98880), (2884, 89040), (2940, 87344), (2968, 86520), (3090, 83104), (3136, 81885), (3180, 80752), (3296, 77910), (3360, 76426), (3392, 75705), (3605, 71232), (3710, 69216), (3920, 65508), (4120, 62328), (4240, 60564), (4326, 59360), (4452, 57680), (4704, 54590), (4944, 51940), (5047, 50880), (5088, 50470), (5194, 49440), (5459, 47040), (5565, 46144), (5768, 44520), (5880, 43672), (5936, 43260), (6180, 41552), (6360, 40376), (6592, 38955), (6720, 38213), (7210, 35616), (7420, 34608), (7791, 32960), (7840, 32754), (8240, 31164), (8480, 30282), (8652, 29680), (8904, 28840), (9408, 27295), (9888, 25970), (10094, 25440), (10176, 25235), (10388, 24720), (10815, 23744), (10918, 23520), (11130, 23072), (11536, 22260), (11760, 21836), (11872, 21630), (12360, 20776), (12720, 20188), (12985, 19776), (14420, 17808), (14840, 17304), (15141, 16960), (15582, 16480), (15680, 16377)]