256871520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{613}}^1$

素因数の和:734

約数の個数: 192

約数和(自身を含む): 909800640

約数和(自身を除く): 652929120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 97, 108, 120, 135, 144, 160, 180, 194, 216, 240, 270, 288, 291, 360, 388, 432, 480, 485, 540, 582, 613, 720, 776, 864, 873, 970, 1080, 1164, 1226, 1440, 1455, 1552, 1746, 1839, 1940, 2160, 2328, 2452, 2619, 2910, 3065, 3104, 3492, 3678, 3880, 4320, 4365, 4656, 4904, 5238, 5517, 5820, 6130, 6984, 7356, 7760, 8730, 9195, 9312, 9808, 10476, 11034, 11640, 12260, 13095, 13968, 14712, 15520, 16551, 17460, 18390, 19616, 20952, 22068, 23280, 24520, 26190, 27585, 27936, 29424, 33102, 34920, 36780, 41904, 44136, 46560, 49040, 52380, 55170, 58848, 59461, 66204, 69840, 73560, 82755, 83808, 88272, 98080, 104760, 110340, 118922, 132408, 139680, 147120, 165510, 176544, 178383, 209520, 220680, 237844, 264816, 294240, 297305, 331020, 356766, 419040, 441360, 475688, 529632, 535149, 594610, 662040, 713532, 882720, 891915, 951376, 1070298, 1189220, 1324080, 1427064, 1605447, 1783830, 1902752, 2140596, 2378440, 2648160, 2675745, 2854128, 3210894, 3567660, 4281192, 4756880, 5351490, 5708256, 6421788, 7135320, 8027235, 8562384, 9513760, 10702980, 12843576, 14270640, 16054470, 17124768, 21405960, 25687152, 28541280, 32108940, 42811920, 51374304, 64217880, 85623840, 128435760, 256871520]

約数ペア:

[(1, 256871520), (2, 128435760), (3, 85623840), (4, 64217880), (5, 51374304), (6, 42811920), (8, 32108940), (9, 28541280), (10, 25687152), (12, 21405960), (15, 17124768), (16, 16054470), (18, 14270640), (20, 12843576), (24, 10702980), (27, 9513760), (30, 8562384), (32, 8027235), (36, 7135320), (40, 6421788), (45, 5708256), (48, 5351490), (54, 4756880), (60, 4281192), (72, 3567660), (80, 3210894), (90, 2854128), (96, 2675745), (97, 2648160), (108, 2378440), (120, 2140596), (135, 1902752), (144, 1783830), (160, 1605447), (180, 1427064), (194, 1324080), (216, 1189220), (240, 1070298), (270, 951376), (288, 891915), (291, 882720), (360, 713532), (388, 662040), (432, 594610), (480, 535149), (485, 529632), (540, 475688), (582, 441360), (613, 419040), (720, 356766), (776, 331020), (864, 297305), (873, 294240), (970, 264816), (1080, 237844), (1164, 220680), (1226, 209520), (1440, 178383), (1455, 176544), (1552, 165510), (1746, 147120), (1839, 139680), (1940, 132408), (2160, 118922), (2328, 110340), (2452, 104760), (2619, 98080), (2910, 88272), (3065, 83808), (3104, 82755), (3492, 73560), (3678, 69840), (3880, 66204), (4320, 59461), (4365, 58848), (4656, 55170), (4904, 52380), (5238, 49040), (5517, 46560), (5820, 44136), (6130, 41904), (6984, 36780), (7356, 34920), (7760, 33102), (8730, 29424), (9195, 27936), (9312, 27585), (9808, 26190), (10476, 24520), (11034, 23280), (11640, 22068), (12260, 20952), (13095, 19616), (13968, 18390), (14712, 17460), (15520, 16551)]