256071360

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:279

約数の個数: 224

約数和(自身を含む): 870508800

約数和(自身を除く): 614437440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 101, 114, 120, 139, 152, 160, 190, 192, 202, 228, 240, 278, 285, 303, 304, 320, 380, 404, 417, 456, 480, 505, 556, 570, 606, 608, 695, 760, 808, 834, 912, 960, 1010, 1112, 1140, 1212, 1216, 1390, 1515, 1520, 1616, 1668, 1824, 1919, 2020, 2085, 2224, 2280, 2424, 2641, 2780, 3030, 3040, 3232, 3336, 3648, 3838, 4040, 4170, 4448, 4560, 4848, 5282, 5560, 5757, 6060, 6080, 6464, 6672, 7676, 7923, 8080, 8340, 8896, 9120, 9595, 9696, 10564, 11120, 11514, 12120, 13205, 13344, 14039, 15352, 15846, 16160, 16680, 18240, 19190, 19392, 21128, 22240, 23028, 24240, 26410, 26688, 28078, 28785, 30704, 31692, 32320, 33360, 38380, 39615, 42117, 42256, 44480, 46056, 48480, 52820, 56156, 57570, 61408, 63384, 66720, 70195, 76760, 79230, 84234, 84512, 92112, 96960, 105640, 112312, 115140, 122816, 126768, 133440, 140390, 153520, 158460, 168468, 169024, 184224, 210585, 211280, 224624, 230280, 253536, 266741, 280780, 307040, 316920, 336936, 368448, 421170, 422560, 449248, 460560, 507072, 533482, 561560, 614080, 633840, 673872, 800223, 842340, 845120, 898496, 921120, 1066964, 1123120, 1267680, 1333705, 1347744, 1600446, 1684680, 1842240, 2133928, 2246240, 2535360, 2667410, 2695488, 3200892, 3369360, 4001115, 4267856, 4492480, 5334820, 6401784, 6738720, 8002230, 8535712, 10669640, 12803568, 13477440, 16004460, 17071424, 21339280, 25607136, 32008920, 42678560, 51214272, 64017840, 85357120, 128035680, 256071360]

約数ペア:

[(1, 256071360), (2, 128035680), (3, 85357120), (4, 64017840), (5, 51214272), (6, 42678560), (8, 32008920), (10, 25607136), (12, 21339280), (15, 17071424), (16, 16004460), (19, 13477440), (20, 12803568), (24, 10669640), (30, 8535712), (32, 8002230), (38, 6738720), (40, 6401784), (48, 5334820), (57, 4492480), (60, 4267856), (64, 4001115), (76, 3369360), (80, 3200892), (95, 2695488), (96, 2667410), (101, 2535360), (114, 2246240), (120, 2133928), (139, 1842240), (152, 1684680), (160, 1600446), (190, 1347744), (192, 1333705), (202, 1267680), (228, 1123120), (240, 1066964), (278, 921120), (285, 898496), (303, 845120), (304, 842340), (320, 800223), (380, 673872), (404, 633840), (417, 614080), (456, 561560), (480, 533482), (505, 507072), (556, 460560), (570, 449248), (606, 422560), (608, 421170), (695, 368448), (760, 336936), (808, 316920), (834, 307040), (912, 280780), (960, 266741), (1010, 253536), (1112, 230280), (1140, 224624), (1212, 211280), (1216, 210585), (1390, 184224), (1515, 169024), (1520, 168468), (1616, 158460), (1668, 153520), (1824, 140390), (1919, 133440), (2020, 126768), (2085, 122816), (2224, 115140), (2280, 112312), (2424, 105640), (2641, 96960), (2780, 92112), (3030, 84512), (3040, 84234), (3232, 79230), (3336, 76760), (3648, 70195), (3838, 66720), (4040, 63384), (4170, 61408), (4448, 57570), (4560, 56156), (4848, 52820), (5282, 48480), (5560, 46056), (5757, 44480), (6060, 42256), (6080, 42117), (6464, 39615), (6672, 38380), (7676, 33360), (7923, 32320), (8080, 31692), (8340, 30704), (8896, 28785), (9120, 28078), (9595, 26688), (9696, 26410), (10564, 24240), (11120, 23028), (11514, 22240), (12120, 21128), (13205, 19392), (13344, 19190), (14039, 18240), (15352, 16680), (15846, 16160)]