805040640

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1$

素因数の和:664

約数の個数: 320

約数和(自身を含む): 3014985600

約数和(自身を除く): 2209944960

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, 128, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 256, 270, 285, 288, 304, 320, 342, 360, 380, 384, 432, 456, 480, 512, 513, 540, 570, 576, 608, 613, 640, 684, 720, 760, 768, 855, 864, 912, 960, 1026, 1080, 1140, 1152, 1216, 1226, 1280, 1368, 1440, 1520, 1536, 1710, 1728, 1824, 1839, 1920, 2052, 2160, 2280, 2304, 2432, 2452, 2560, 2565, 2736, 2880, 3040, 3065, 3420, 3456, 3648, 3678, 3840, 4104, 4320, 4560, 4608, 4864, 4904, 5130, 5472, 5517, 5760, 6080, 6130, 6840, 6912, 7296, 7356, 7680, 8208, 8640, 9120, 9195, 9728, 9808, 10260, 10944, 11034, 11520, 11647, 12160, 12260, 13680, 13824, 14592, 14712, 16416, 16551, 17280, 18240, 18390, 19616, 20520, 21888, 22068, 23040, 23294, 24320, 24520, 27360, 27585, 29184, 29424, 32832, 33102, 34560, 34941, 36480, 36780, 39232, 41040, 43776, 44136, 46588, 48640, 49040, 54720, 55170, 58235, 58848, 65664, 66204, 69120, 69882, 72960, 73560, 78464, 82080, 82755, 87552, 88272, 93176, 98080, 104823, 109440, 110340, 116470, 117696, 131328, 132408, 139764, 145920, 147120, 156928, 164160, 165510, 174705, 176544, 186352, 196160, 209646, 218880, 220680, 232940, 235392, 262656, 264816, 279528, 294240, 313856, 314469, 328320, 331020, 349410, 353088, 372704, 392320, 419292, 437760, 441360, 465880, 470784, 524115, 529632, 559056, 588480, 628938, 656640, 662040, 698820, 706176, 745408, 784640, 838584, 882720, 931760, 941568, 1048230, 1059264, 1118112, 1176960, 1257876, 1313280, 1324080, 1397640, 1412352, 1490816, 1569280, 1572345, 1677168, 1765440, 1863520, 2096460, 2118528, 2236224, 2353920, 2515752, 2648160, 2795280, 2824704, 2981632, 3144690, 3354336, 3530880, 3727040, 4192920, 4237056, 4472448, 4707840, 5031504, 5296320, 5590560, 5963264, 6289380, 6708672, 7061760, 7454080, 8385840, 8474112, 8944896, 10063008, 10592640, 11181120, 12578760, 13417344, 14123520, 14908160, 16771680, 17889792, 20126016, 21185280, 22362240, 25157520, 26834688, 29816320, 33543360, 40252032, 42370560, 44724480, 50315040, 53669376, 67086720, 80504064, 89448960, 100630080, 134173440, 161008128, 201260160, 268346880, 402520320, 805040640]

約数ペア:

[(1, 805040640), (2, 402520320), (3, 268346880), (4, 201260160), (5, 161008128), (6, 134173440), (8, 100630080), (9, 89448960), (10, 80504064), (12, 67086720), (15, 53669376), (16, 50315040), (18, 44724480), (19, 42370560), (20, 40252032), (24, 33543360), (27, 29816320), (30, 26834688), (32, 25157520), (36, 22362240), (38, 21185280), (40, 20126016), (45, 17889792), (48, 16771680), (54, 14908160), (57, 14123520), (60, 13417344), (64, 12578760), (72, 11181120), (76, 10592640), (80, 10063008), (90, 8944896), (95, 8474112), (96, 8385840), (108, 7454080), (114, 7061760), (120, 6708672), (128, 6289380), (135, 5963264), (144, 5590560), (152, 5296320), (160, 5031504), (171, 4707840), (180, 4472448), (190, 4237056), (192, 4192920), (216, 3727040), (228, 3530880), (240, 3354336), (256, 3144690), (270, 2981632), (285, 2824704), (288, 2795280), (304, 2648160), (320, 2515752), (342, 2353920), (360, 2236224), (380, 2118528), (384, 2096460), (432, 1863520), (456, 1765440), (480, 1677168), (512, 1572345), (513, 1569280), (540, 1490816), (570, 1412352), (576, 1397640), (608, 1324080), (613, 1313280), (640, 1257876), (684, 1176960), (720, 1118112), (760, 1059264), (768, 1048230), (855, 941568), (864, 931760), (912, 882720), (960, 838584), (1026, 784640), (1080, 745408), (1140, 706176), (1152, 698820), (1216, 662040), (1226, 656640), (1280, 628938), (1368, 588480), (1440, 559056), (1520, 529632), (1536, 524115), (1710, 470784), (1728, 465880), (1824, 441360), (1839, 437760), (1920, 419292), (2052, 392320), (2160, 372704), (2280, 353088), (2304, 349410), (2432, 331020), (2452, 328320), (2560, 314469), (2565, 313856), (2736, 294240), (2880, 279528), (3040, 264816), (3065, 262656), (3420, 235392), (3456, 232940), (3648, 220680), (3678, 218880), (3840, 209646), (4104, 196160), (4320, 186352), (4560, 176544), (4608, 174705), (4864, 165510), (4904, 164160), (5130, 156928), (5472, 147120), (5517, 145920), (5760, 139764), (6080, 132408), (6130, 131328), (6840, 117696), (6912, 116470), (7296, 110340), (7356, 109440), (7680, 104823), (8208, 98080), (8640, 93176), (9120, 88272), (9195, 87552), (9728, 82755), (9808, 82080), (10260, 78464), (10944, 73560), (11034, 72960), (11520, 69882), (11647, 69120), (12160, 66204), (12260, 65664), (13680, 58848), (13824, 58235), (14592, 55170), (14712, 54720), (16416, 49040), (16551, 48640), (17280, 46588), (18240, 44136), (18390, 43776), (19616, 41040), (20520, 39232), (21888, 36780), (22068, 36480), (23040, 34941), (23294, 34560), (24320, 33102), (24520, 32832), (27360, 29424), (27585, 29184)]