257895360

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1571}}^1$

素因数の和:1616

約数の個数: 224

約数和(自身を含む): 958291200

約数和(自身を除く): 700395840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 342, 360, 380, 432, 456, 480, 513, 540, 570, 576, 608, 684, 720, 760, 855, 864, 912, 960, 1026, 1080, 1140, 1216, 1368, 1440, 1520, 1571, 1710, 1728, 1824, 2052, 2160, 2280, 2565, 2736, 2880, 3040, 3142, 3420, 3648, 4104, 4320, 4560, 4713, 5130, 5472, 6080, 6284, 6840, 7855, 8208, 8640, 9120, 9426, 10260, 10944, 12568, 13680, 14139, 15710, 16416, 18240, 18852, 20520, 23565, 25136, 27360, 28278, 29849, 31420, 32832, 37704, 41040, 42417, 47130, 50272, 54720, 56556, 59698, 62840, 70695, 75408, 82080, 84834, 89547, 94260, 100544, 113112, 119396, 125680, 141390, 149245, 150816, 164160, 169668, 179094, 188520, 212085, 226224, 238792, 251360, 268641, 282780, 298490, 301632, 339336, 358188, 377040, 424170, 447735, 452448, 477584, 502720, 537282, 565560, 596980, 678672, 716376, 754080, 805923, 848340, 895470, 904896, 955168, 1074564, 1131120, 1193960, 1343205, 1357344, 1432752, 1508160, 1611846, 1696680, 1790940, 1910336, 2149128, 2262240, 2387920, 2686410, 2714688, 2865504, 3223692, 3393360, 3581880, 4029615, 4298256, 4524480, 4775840, 5372820, 5731008, 6447384, 6786720, 7163760, 8059230, 8596512, 9551680, 10745640, 12894768, 13573440, 14327520, 16118460, 17193024, 21491280, 25789536, 28655040, 32236920, 42982560, 51579072, 64473840, 85965120, 128947680, 257895360]

約数ペア:

[(1, 257895360), (2, 128947680), (3, 85965120), (4, 64473840), (5, 51579072), (6, 42982560), (8, 32236920), (9, 28655040), (10, 25789536), (12, 21491280), (15, 17193024), (16, 16118460), (18, 14327520), (19, 13573440), (20, 12894768), (24, 10745640), (27, 9551680), (30, 8596512), (32, 8059230), (36, 7163760), (38, 6786720), (40, 6447384), (45, 5731008), (48, 5372820), (54, 4775840), (57, 4524480), (60, 4298256), (64, 4029615), (72, 3581880), (76, 3393360), (80, 3223692), (90, 2865504), (95, 2714688), (96, 2686410), (108, 2387920), (114, 2262240), (120, 2149128), (135, 1910336), (144, 1790940), (152, 1696680), (160, 1611846), (171, 1508160), (180, 1432752), (190, 1357344), (192, 1343205), (216, 1193960), (228, 1131120), (240, 1074564), (270, 955168), (285, 904896), (288, 895470), (304, 848340), (320, 805923), (342, 754080), (360, 716376), (380, 678672), (432, 596980), (456, 565560), (480, 537282), (513, 502720), (540, 477584), (570, 452448), (576, 447735), (608, 424170), (684, 377040), (720, 358188), (760, 339336), (855, 301632), (864, 298490), (912, 282780), (960, 268641), (1026, 251360), (1080, 238792), (1140, 226224), (1216, 212085), (1368, 188520), (1440, 179094), (1520, 169668), (1571, 164160), (1710, 150816), (1728, 149245), (1824, 141390), (2052, 125680), (2160, 119396), (2280, 113112), (2565, 100544), (2736, 94260), (2880, 89547), (3040, 84834), (3142, 82080), (3420, 75408), (3648, 70695), (4104, 62840), (4320, 59698), (4560, 56556), (4713, 54720), (5130, 50272), (5472, 47130), (6080, 42417), (6284, 41040), (6840, 37704), (7855, 32832), (8208, 31420), (8640, 29849), (9120, 28278), (9426, 27360), (10260, 25136), (10944, 23565), (12568, 20520), (13680, 18852), (14139, 18240), (15710, 16416)]