257293440

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2351}}^1$

素因数の和:2395

約数の個数: 192

約数和(自身を含む): 935625600

約数和(自身を除く): 678332160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 128, 144, 152, 160, 171, 180, 190, 192, 228, 240, 285, 288, 304, 320, 342, 360, 380, 384, 456, 480, 570, 576, 608, 640, 684, 720, 760, 855, 912, 960, 1140, 1152, 1216, 1368, 1440, 1520, 1710, 1824, 1920, 2280, 2351, 2432, 2736, 2880, 3040, 3420, 3648, 4560, 4702, 5472, 5760, 6080, 6840, 7053, 7296, 9120, 9404, 10944, 11755, 12160, 13680, 14106, 18240, 18808, 21159, 21888, 23510, 27360, 28212, 35265, 36480, 37616, 42318, 44669, 47020, 54720, 56424, 70530, 75232, 84636, 89338, 94040, 105795, 109440, 112848, 134007, 141060, 150464, 169272, 178676, 188080, 211590, 223345, 225696, 268014, 282120, 300928, 338544, 357352, 376160, 402021, 423180, 446690, 451392, 536028, 564240, 670035, 677088, 714704, 752320, 804042, 846360, 893380, 902784, 1072056, 1128480, 1340070, 1354176, 1429408, 1504640, 1608084, 1692720, 1786760, 2010105, 2144112, 2256960, 2680140, 2708352, 2858816, 3216168, 3385440, 3573520, 4020210, 4288224, 4513920, 5360280, 5717632, 6432336, 6770880, 7147040, 8040420, 8576448, 10720560, 12864672, 13541760, 14294080, 16080840, 17152896, 21441120, 25729344, 28588160, 32161680, 42882240, 51458688, 64323360, 85764480, 128646720, 257293440]

約数ペア:

[(1, 257293440), (2, 128646720), (3, 85764480), (4, 64323360), (5, 51458688), (6, 42882240), (8, 32161680), (9, 28588160), (10, 25729344), (12, 21441120), (15, 17152896), (16, 16080840), (18, 14294080), (19, 13541760), (20, 12864672), (24, 10720560), (30, 8576448), (32, 8040420), (36, 7147040), (38, 6770880), (40, 6432336), (45, 5717632), (48, 5360280), (57, 4513920), (60, 4288224), (64, 4020210), (72, 3573520), (76, 3385440), (80, 3216168), (90, 2858816), (95, 2708352), (96, 2680140), (114, 2256960), (120, 2144112), (128, 2010105), (144, 1786760), (152, 1692720), (160, 1608084), (171, 1504640), (180, 1429408), (190, 1354176), (192, 1340070), (228, 1128480), (240, 1072056), (285, 902784), (288, 893380), (304, 846360), (320, 804042), (342, 752320), (360, 714704), (380, 677088), (384, 670035), (456, 564240), (480, 536028), (570, 451392), (576, 446690), (608, 423180), (640, 402021), (684, 376160), (720, 357352), (760, 338544), (855, 300928), (912, 282120), (960, 268014), (1140, 225696), (1152, 223345), (1216, 211590), (1368, 188080), (1440, 178676), (1520, 169272), (1710, 150464), (1824, 141060), (1920, 134007), (2280, 112848), (2351, 109440), (2432, 105795), (2736, 94040), (2880, 89338), (3040, 84636), (3420, 75232), (3648, 70530), (4560, 56424), (4702, 54720), (5472, 47020), (5760, 44669), (6080, 42318), (6840, 37616), (7053, 36480), (7296, 35265), (9120, 28212), (9404, 27360), (10944, 23510), (11755, 21888), (12160, 21159), (13680, 18808), (14106, 18240)]