256536720

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 400

約数和(自身を含む): 1004667840

約数和(自身を除く): 748131120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 59, 60, 61, 66, 72, 80, 81, 88, 90, 99, 108, 110, 118, 120, 122, 132, 135, 144, 162, 165, 176, 177, 180, 183, 198, 216, 220, 236, 240, 244, 264, 270, 295, 297, 305, 324, 330, 354, 360, 366, 396, 405, 432, 440, 472, 488, 495, 528, 531, 540, 549, 590, 594, 610, 648, 649, 660, 671, 708, 720, 732, 792, 810, 880, 885, 891, 915, 944, 976, 990, 1062, 1080, 1098, 1180, 1188, 1220, 1296, 1298, 1320, 1342, 1416, 1464, 1485, 1584, 1593, 1620, 1647, 1770, 1782, 1830, 1947, 1980, 2013, 2124, 2160, 2196, 2360, 2376, 2440, 2596, 2640, 2655, 2684, 2745, 2832, 2928, 2970, 3186, 3240, 3245, 3294, 3355, 3540, 3564, 3599, 3660, 3894, 3960, 4026, 4248, 4392, 4455, 4720, 4752, 4779, 4880, 4941, 5192, 5310, 5368, 5490, 5841, 5940, 6039, 6372, 6480, 6490, 6588, 6710, 7080, 7128, 7198, 7320, 7788, 7920, 7965, 8052, 8235, 8496, 8784, 8910, 9558, 9735, 9882, 10065, 10384, 10620, 10736, 10797, 10980, 11682, 11880, 12078, 12744, 12980, 13176, 13420, 14160, 14256, 14396, 14640, 15576, 15930, 16104, 16470, 17523, 17820, 17995, 18117, 19116, 19470, 19764, 20130, 21240, 21594, 21960, 23364, 23760, 23895, 24156, 24705, 25488, 25960, 26352, 26840, 28792, 29205, 30195, 31152, 31860, 32208, 32391, 32940, 35046, 35640, 35990, 36234, 38232, 38940, 39528, 39589, 40260, 42480, 43188, 43920, 46728, 47790, 48312, 49410, 51920, 52569, 53680, 53985, 54351, 57584, 58410, 60390, 63720, 64782, 65880, 70092, 71280, 71980, 72468, 76464, 77880, 79056, 79178, 80520, 86376, 87615, 90585, 93456, 95580, 96624, 97173, 98820, 105138, 107970, 108702, 116820, 118767, 120780, 127440, 129564, 131760, 140184, 143960, 144936, 155760, 158356, 161040, 161955, 172752, 175230, 181170, 191160, 194346, 197640, 197945, 210276, 215940, 217404, 233640, 237534, 241560, 259128, 262845, 271755, 280368, 287920, 289872, 291519, 316712, 323910, 350460, 356301, 362340, 382320, 388692, 395280, 395890, 420552, 431880, 434808, 467280, 475068, 483120, 485865, 518256, 525690, 543510, 583038, 593835, 633424, 647820, 700920, 712602, 724680, 777384, 791780, 841104, 863760, 869616, 950136, 971730, 1051380, 1068903, 1087020, 1166076, 1187670, 1295640, 1401840, 1425204, 1449360, 1457595, 1554768, 1583560, 1781505, 1900272, 1943460, 2102760, 2137806, 2174040, 2332152, 2375340, 2591280, 2850408, 2915190, 3167120, 3206709, 3563010, 3886920, 4205520, 4275612, 4348080, 4664304, 4750680, 5344515, 5700816, 5830380, 6413418, 7126020, 7773840, 8551224, 9501360, 10689030, 11660760, 12826836, 14252040, 16033545, 17102448, 21378060, 23321520, 25653672, 28504080, 32067090, 42756120, 51307344, 64134180, 85512240, 128268360, 256536720]

約数ペア:

[(1, 256536720), (2, 128268360), (3, 85512240), (4, 64134180), (5, 51307344), (6, 42756120), (8, 32067090), (9, 28504080), (10, 25653672), (11, 23321520), (12, 21378060), (15, 17102448), (16, 16033545), (18, 14252040), (20, 12826836), (22, 11660760), (24, 10689030), (27, 9501360), (30, 8551224), (33, 7773840), (36, 7126020), (40, 6413418), (44, 5830380), (45, 5700816), (48, 5344515), (54, 4750680), (55, 4664304), (59, 4348080), (60, 4275612), (61, 4205520), (66, 3886920), (72, 3563010), (80, 3206709), (81, 3167120), (88, 2915190), (90, 2850408), (99, 2591280), (108, 2375340), (110, 2332152), (118, 2174040), (120, 2137806), (122, 2102760), (132, 1943460), (135, 1900272), (144, 1781505), (162, 1583560), (165, 1554768), (176, 1457595), (177, 1449360), (180, 1425204), (183, 1401840), (198, 1295640), (216, 1187670), (220, 1166076), (236, 1087020), (240, 1068903), (244, 1051380), (264, 971730), (270, 950136), (295, 869616), (297, 863760), (305, 841104), (324, 791780), (330, 777384), (354, 724680), (360, 712602), (366, 700920), (396, 647820), (405, 633424), (432, 593835), (440, 583038), (472, 543510), (488, 525690), (495, 518256), (528, 485865), (531, 483120), (540, 475068), (549, 467280), (590, 434808), (594, 431880), (610, 420552), (648, 395890), (649, 395280), (660, 388692), (671, 382320), (708, 362340), (720, 356301), (732, 350460), (792, 323910), (810, 316712), (880, 291519), (885, 289872), (891, 287920), (915, 280368), (944, 271755), (976, 262845), (990, 259128), (1062, 241560), (1080, 237534), (1098, 233640), (1180, 217404), (1188, 215940), (1220, 210276), (1296, 197945), (1298, 197640), (1320, 194346), (1342, 191160), (1416, 181170), (1464, 175230), (1485, 172752), (1584, 161955), (1593, 161040), (1620, 158356), (1647, 155760), (1770, 144936), (1782, 143960), (1830, 140184), (1947, 131760), (1980, 129564), (2013, 127440), (2124, 120780), (2160, 118767), (2196, 116820), (2360, 108702), (2376, 107970), (2440, 105138), (2596, 98820), (2640, 97173), (2655, 96624), (2684, 95580), (2745, 93456), (2832, 90585), (2928, 87615), (2970, 86376), (3186, 80520), (3240, 79178), (3245, 79056), (3294, 77880), (3355, 76464), (3540, 72468), (3564, 71980), (3599, 71280), (3660, 70092), (3894, 65880), (3960, 64782), (4026, 63720), (4248, 60390), (4392, 58410), (4455, 57584), (4720, 54351), (4752, 53985), (4779, 53680), (4880, 52569), (4941, 51920), (5192, 49410), (5310, 48312), (5368, 47790), (5490, 46728), (5841, 43920), (5940, 43188), (6039, 42480), (6372, 40260), (6480, 39589), (6490, 39528), (6588, 38940), (6710, 38232), (7080, 36234), (7128, 35990), (7198, 35640), (7320, 35046), (7788, 32940), (7920, 32391), (7965, 32208), (8052, 31860), (8235, 31152), (8496, 30195), (8784, 29205), (8910, 28792), (9558, 26840), (9735, 26352), (9882, 25960), (10065, 25488), (10384, 24705), (10620, 24156), (10736, 23895), (10797, 23760), (10980, 23364), (11682, 21960), (11880, 21594), (12078, 21240), (12744, 20130), (12980, 19764), (13176, 19470), (13420, 19116), (14160, 18117), (14256, 17995), (14396, 17820), (14640, 17523), (15576, 16470), (15930, 16104)]