161208320

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:220

約数の個数: 192

約数和(自身を含む): 478820160

約数和(自身を除く): 317611840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 173, 182, 208, 224, 256, 260, 280, 320, 346, 364, 416, 448, 455, 512, 520, 560, 640, 692, 728, 832, 865, 896, 910, 1024, 1040, 1120, 1211, 1280, 1384, 1456, 1664, 1730, 1792, 1820, 2048, 2080, 2240, 2249, 2422, 2560, 2768, 2912, 3328, 3460, 3584, 3640, 4160, 4480, 4498, 4844, 5120, 5536, 5824, 6055, 6656, 6920, 7168, 7280, 8320, 8960, 8996, 9688, 10240, 11072, 11245, 11648, 12110, 13312, 13840, 14336, 14560, 15743, 16640, 17920, 17992, 19376, 22144, 22490, 23296, 24220, 26624, 27680, 29120, 31486, 33280, 35840, 35984, 38752, 44288, 44980, 46592, 48440, 55360, 58240, 62972, 66560, 71680, 71968, 77504, 78715, 88576, 89960, 93184, 96880, 110720, 116480, 125944, 133120, 143936, 155008, 157430, 177152, 179920, 186368, 193760, 221440, 232960, 251888, 287872, 310016, 314860, 354304, 359840, 387520, 442880, 465920, 503776, 575744, 620032, 629720, 719680, 775040, 885760, 931840, 1007552, 1151488, 1240064, 1259440, 1439360, 1550080, 1771520, 2015104, 2302976, 2480128, 2518880, 2878720, 3100160, 4030208, 4605952, 5037760, 5757440, 6200320, 8060416, 10075520, 11514880, 12400640, 16120832, 20151040, 23029760, 32241664, 40302080, 80604160, 161208320]

約数ペア:

[(1, 161208320), (2, 80604160), (4, 40302080), (5, 32241664), (7, 23029760), (8, 20151040), (10, 16120832), (13, 12400640), (14, 11514880), (16, 10075520), (20, 8060416), (26, 6200320), (28, 5757440), (32, 5037760), (35, 4605952), (40, 4030208), (52, 3100160), (56, 2878720), (64, 2518880), (65, 2480128), (70, 2302976), (80, 2015104), (91, 1771520), (104, 1550080), (112, 1439360), (128, 1259440), (130, 1240064), (140, 1151488), (160, 1007552), (173, 931840), (182, 885760), (208, 775040), (224, 719680), (256, 629720), (260, 620032), (280, 575744), (320, 503776), (346, 465920), (364, 442880), (416, 387520), (448, 359840), (455, 354304), (512, 314860), (520, 310016), (560, 287872), (640, 251888), (692, 232960), (728, 221440), (832, 193760), (865, 186368), (896, 179920), (910, 177152), (1024, 157430), (1040, 155008), (1120, 143936), (1211, 133120), (1280, 125944), (1384, 116480), (1456, 110720), (1664, 96880), (1730, 93184), (1792, 89960), (1820, 88576), (2048, 78715), (2080, 77504), (2240, 71968), (2249, 71680), (2422, 66560), (2560, 62972), (2768, 58240), (2912, 55360), (3328, 48440), (3460, 46592), (3584, 44980), (3640, 44288), (4160, 38752), (4480, 35984), (4498, 35840), (4844, 33280), (5120, 31486), (5536, 29120), (5824, 27680), (6055, 26624), (6656, 24220), (6920, 23296), (7168, 22490), (7280, 22144), (8320, 19376), (8960, 17992), (8996, 17920), (9688, 16640), (10240, 15743), (11072, 14560), (11245, 14336), (11648, 13840), (12110, 13312)]