258453440

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:395

約数の個数: 168

約数和(自身を含む): 731776032

約数和(自身を除く): 473322592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 53, 56, 64, 70, 80, 98, 106, 112, 140, 160, 196, 212, 224, 245, 265, 280, 311, 320, 371, 392, 424, 448, 490, 530, 560, 622, 742, 784, 848, 980, 1060, 1120, 1244, 1484, 1555, 1568, 1696, 1855, 1960, 2120, 2177, 2240, 2488, 2597, 2968, 3110, 3136, 3392, 3710, 3920, 4240, 4354, 4976, 5194, 5936, 6220, 7420, 7840, 8480, 8708, 9952, 10388, 10885, 11872, 12440, 12985, 14840, 15239, 15680, 16483, 16960, 17416, 19904, 20776, 21770, 23744, 24880, 25970, 29680, 30478, 32966, 34832, 41552, 43540, 49760, 51940, 59360, 60956, 65932, 69664, 76195, 82415, 83104, 87080, 99520, 103880, 115381, 118720, 121912, 131864, 139328, 152390, 164830, 166208, 174160, 207760, 230762, 243824, 263728, 304780, 329660, 348320, 415520, 461524, 487648, 527456, 576905, 609560, 659320, 696640, 807667, 831040, 923048, 975296, 1054912, 1153810, 1219120, 1318640, 1615334, 1846096, 2307620, 2438240, 2637280, 3230668, 3692192, 4038335, 4615240, 4876480, 5274560, 6461336, 7384384, 8076670, 9230480, 12922672, 16153340, 18460960, 25845344, 32306680, 36921920, 51690688, 64613360, 129226720, 258453440]

約数ペア:

[(1, 258453440), (2, 129226720), (4, 64613360), (5, 51690688), (7, 36921920), (8, 32306680), (10, 25845344), (14, 18460960), (16, 16153340), (20, 12922672), (28, 9230480), (32, 8076670), (35, 7384384), (40, 6461336), (49, 5274560), (53, 4876480), (56, 4615240), (64, 4038335), (70, 3692192), (80, 3230668), (98, 2637280), (106, 2438240), (112, 2307620), (140, 1846096), (160, 1615334), (196, 1318640), (212, 1219120), (224, 1153810), (245, 1054912), (265, 975296), (280, 923048), (311, 831040), (320, 807667), (371, 696640), (392, 659320), (424, 609560), (448, 576905), (490, 527456), (530, 487648), (560, 461524), (622, 415520), (742, 348320), (784, 329660), (848, 304780), (980, 263728), (1060, 243824), (1120, 230762), (1244, 207760), (1484, 174160), (1555, 166208), (1568, 164830), (1696, 152390), (1855, 139328), (1960, 131864), (2120, 121912), (2177, 118720), (2240, 115381), (2488, 103880), (2597, 99520), (2968, 87080), (3110, 83104), (3136, 82415), (3392, 76195), (3710, 69664), (3920, 65932), (4240, 60956), (4354, 59360), (4976, 51940), (5194, 49760), (5936, 43540), (6220, 41552), (7420, 34832), (7840, 32966), (8480, 30478), (8708, 29680), (9952, 25970), (10388, 24880), (10885, 23744), (11872, 21770), (12440, 20776), (12985, 19904), (14840, 17416), (15239, 16960), (15680, 16483)]