80398080

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{997}}^1$

素因数の和:1031

約数の個数: 216

約数和(自身を含む): 318226272

約数和(自身を除く): 237828192

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 997, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 1994, 2016, 2240, 2304, 2520, 2688, 2880, 2991, 3360, 3840, 3988, 4032, 4480, 4985, 5040, 5376, 5760, 5982, 6720, 6979, 7976, 8064, 8960, 8973, 9970, 10080, 11520, 11964, 13440, 13958, 14955, 15952, 16128, 17946, 19940, 20160, 20937, 23928, 26880, 27916, 29910, 31904, 34895, 35892, 39880, 40320, 41874, 44865, 47856, 55832, 59820, 62811, 63808, 69790, 71784, 79760, 80640, 83748, 89730, 95712, 104685, 111664, 119640, 125622, 127616, 139580, 143568, 159520, 167496, 179460, 191424, 209370, 223328, 239280, 251244, 255232, 279160, 287136, 314055, 319040, 334992, 358920, 382848, 418740, 446656, 478560, 502488, 558320, 574272, 628110, 638080, 669984, 717840, 765696, 837480, 893312, 957120, 1004976, 1116640, 1148544, 1256220, 1276160, 1339968, 1435680, 1674960, 1786624, 1914240, 2009952, 2233280, 2297088, 2512440, 2679936, 2871360, 3349920, 3828480, 4019904, 4466560, 5024880, 5359872, 5742720, 6699840, 8039808, 8933120, 10049760, 11485440, 13399680, 16079616, 20099520, 26799360, 40199040, 80398080]

約数ペア:

[(1, 80398080), (2, 40199040), (3, 26799360), (4, 20099520), (5, 16079616), (6, 13399680), (7, 11485440), (8, 10049760), (9, 8933120), (10, 8039808), (12, 6699840), (14, 5742720), (15, 5359872), (16, 5024880), (18, 4466560), (20, 4019904), (21, 3828480), (24, 3349920), (28, 2871360), (30, 2679936), (32, 2512440), (35, 2297088), (36, 2233280), (40, 2009952), (42, 1914240), (45, 1786624), (48, 1674960), (56, 1435680), (60, 1339968), (63, 1276160), (64, 1256220), (70, 1148544), (72, 1116640), (80, 1004976), (84, 957120), (90, 893312), (96, 837480), (105, 765696), (112, 717840), (120, 669984), (126, 638080), (128, 628110), (140, 574272), (144, 558320), (160, 502488), (168, 478560), (180, 446656), (192, 418740), (210, 382848), (224, 358920), (240, 334992), (252, 319040), (256, 314055), (280, 287136), (288, 279160), (315, 255232), (320, 251244), (336, 239280), (360, 223328), (384, 209370), (420, 191424), (448, 179460), (480, 167496), (504, 159520), (560, 143568), (576, 139580), (630, 127616), (640, 125622), (672, 119640), (720, 111664), (768, 104685), (840, 95712), (896, 89730), (960, 83748), (997, 80640), (1008, 79760), (1120, 71784), (1152, 69790), (1260, 63808), (1280, 62811), (1344, 59820), (1440, 55832), (1680, 47856), (1792, 44865), (1920, 41874), (1994, 40320), (2016, 39880), (2240, 35892), (2304, 34895), (2520, 31904), (2688, 29910), (2880, 27916), (2991, 26880), (3360, 23928), (3840, 20937), (3988, 20160), (4032, 19940), (4480, 17946), (4985, 16128), (5040, 15952), (5376, 14955), (5760, 13958), (5982, 13440), (6720, 11964), (6979, 11520), (7976, 10080), (8064, 9970), (8960, 8973)]