478980880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:214

約数の個数: 240

約数和(自身を含む): 1399464000

約数和(自身を除く): 920483120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 59, 70, 76, 80, 95, 98, 109, 112, 118, 133, 140, 152, 190, 196, 218, 236, 245, 266, 280, 295, 304, 380, 392, 413, 436, 472, 490, 532, 545, 560, 590, 665, 760, 763, 784, 826, 872, 931, 944, 980, 1064, 1090, 1121, 1180, 1330, 1520, 1526, 1652, 1744, 1862, 1960, 2065, 2071, 2128, 2180, 2242, 2360, 2660, 2891, 3052, 3304, 3724, 3815, 3920, 4130, 4142, 4360, 4484, 4655, 4720, 5320, 5341, 5605, 5782, 6104, 6431, 6608, 7448, 7630, 7847, 8260, 8284, 8720, 8968, 9310, 10355, 10640, 10682, 11210, 11564, 12208, 12862, 14455, 14497, 14896, 15260, 15694, 16520, 16568, 17936, 18620, 20710, 21364, 22420, 23128, 25724, 26705, 28910, 28994, 30520, 31388, 32155, 33040, 33136, 37240, 39235, 41420, 42728, 44840, 45017, 46256, 51448, 53410, 54929, 57820, 57988, 61040, 62776, 64310, 72485, 74480, 78470, 82840, 85456, 89680, 90034, 101479, 102896, 106820, 109858, 115640, 115976, 122189, 125552, 128620, 144970, 156940, 165680, 180068, 202958, 213640, 219716, 225085, 231280, 231952, 244378, 257240, 274645, 289940, 313880, 315119, 360136, 405916, 427280, 439432, 450170, 488756, 507395, 514480, 549290, 579880, 610945, 627760, 630238, 720272, 811832, 855323, 878864, 900340, 977512, 1014790, 1098580, 1159760, 1221890, 1260476, 1575595, 1623664, 1710646, 1800680, 1955024, 2029580, 2197160, 2443780, 2520952, 3151190, 3421292, 3601360, 4059160, 4276615, 4394320, 4887560, 5041904, 5987261, 6302380, 6842584, 8118320, 8553230, 9775120, 11974522, 12604760, 13685168, 17106460, 23949044, 25209520, 29936305, 34212920, 47898088, 59872610, 68425840, 95796176, 119745220, 239490440, 478980880]

約数ペア:

[(1, 478980880), (2, 239490440), (4, 119745220), (5, 95796176), (7, 68425840), (8, 59872610), (10, 47898088), (14, 34212920), (16, 29936305), (19, 25209520), (20, 23949044), (28, 17106460), (35, 13685168), (38, 12604760), (40, 11974522), (49, 9775120), (56, 8553230), (59, 8118320), (70, 6842584), (76, 6302380), (80, 5987261), (95, 5041904), (98, 4887560), (109, 4394320), (112, 4276615), (118, 4059160), (133, 3601360), (140, 3421292), (152, 3151190), (190, 2520952), (196, 2443780), (218, 2197160), (236, 2029580), (245, 1955024), (266, 1800680), (280, 1710646), (295, 1623664), (304, 1575595), (380, 1260476), (392, 1221890), (413, 1159760), (436, 1098580), (472, 1014790), (490, 977512), (532, 900340), (545, 878864), (560, 855323), (590, 811832), (665, 720272), (760, 630238), (763, 627760), (784, 610945), (826, 579880), (872, 549290), (931, 514480), (944, 507395), (980, 488756), (1064, 450170), (1090, 439432), (1121, 427280), (1180, 405916), (1330, 360136), (1520, 315119), (1526, 313880), (1652, 289940), (1744, 274645), (1862, 257240), (1960, 244378), (2065, 231952), (2071, 231280), (2128, 225085), (2180, 219716), (2242, 213640), (2360, 202958), (2660, 180068), (2891, 165680), (3052, 156940), (3304, 144970), (3724, 128620), (3815, 125552), (3920, 122189), (4130, 115976), (4142, 115640), (4360, 109858), (4484, 106820), (4655, 102896), (4720, 101479), (5320, 90034), (5341, 89680), (5605, 85456), (5782, 82840), (6104, 78470), (6431, 74480), (6608, 72485), (7448, 64310), (7630, 62776), (7847, 61040), (8260, 57988), (8284, 57820), (8720, 54929), (8968, 53410), (9310, 51448), (10355, 46256), (10640, 45017), (10682, 44840), (11210, 42728), (11564, 41420), (12208, 39235), (12862, 37240), (14455, 33136), (14497, 33040), (14896, 32155), (15260, 31388), (15694, 30520), (16520, 28994), (16568, 28910), (17936, 26705), (18620, 25724), (20710, 23128), (21364, 22420)]