256029408

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:765

約数の個数: 144

約数和(自身を含む): 778377600

約数和(自身を除く): 522348192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 71, 72, 76, 96, 114, 142, 144, 152, 171, 213, 228, 284, 288, 304, 342, 426, 456, 568, 608, 639, 659, 684, 852, 912, 1136, 1278, 1318, 1349, 1368, 1704, 1824, 1977, 2272, 2556, 2636, 2698, 2736, 3408, 3954, 4047, 5112, 5272, 5396, 5472, 5931, 6816, 7908, 8094, 10224, 10544, 10792, 11862, 12141, 12521, 15816, 16188, 20448, 21088, 21584, 23724, 24282, 25042, 31632, 32376, 37563, 43168, 46789, 47448, 48564, 50084, 63264, 64752, 75126, 93578, 94896, 97128, 100168, 112689, 129504, 140367, 150252, 187156, 189792, 194256, 200336, 225378, 280734, 300504, 374312, 388512, 400672, 421101, 450756, 561468, 601008, 748624, 842202, 888991, 901512, 1122936, 1202016, 1497248, 1684404, 1777982, 1803024, 2245872, 2666973, 3368808, 3555964, 3606048, 4491744, 5333946, 6737616, 7111928, 8000919, 10667892, 13475232, 14223856, 16001838, 21335784, 28447712, 32003676, 42671568, 64007352, 85343136, 128014704, 256029408]

約数ペア:

[(1, 256029408), (2, 128014704), (3, 85343136), (4, 64007352), (6, 42671568), (8, 32003676), (9, 28447712), (12, 21335784), (16, 16001838), (18, 14223856), (19, 13475232), (24, 10667892), (32, 8000919), (36, 7111928), (38, 6737616), (48, 5333946), (57, 4491744), (71, 3606048), (72, 3555964), (76, 3368808), (96, 2666973), (114, 2245872), (142, 1803024), (144, 1777982), (152, 1684404), (171, 1497248), (213, 1202016), (228, 1122936), (284, 901512), (288, 888991), (304, 842202), (342, 748624), (426, 601008), (456, 561468), (568, 450756), (608, 421101), (639, 400672), (659, 388512), (684, 374312), (852, 300504), (912, 280734), (1136, 225378), (1278, 200336), (1318, 194256), (1349, 189792), (1368, 187156), (1704, 150252), (1824, 140367), (1977, 129504), (2272, 112689), (2556, 100168), (2636, 97128), (2698, 94896), (2736, 93578), (3408, 75126), (3954, 64752), (4047, 63264), (5112, 50084), (5272, 48564), (5396, 47448), (5472, 46789), (5931, 43168), (6816, 37563), (7908, 32376), (8094, 31632), (10224, 25042), (10544, 24282), (10792, 23724), (11862, 21584), (12141, 21088), (12521, 20448), (15816, 16188)]