78995840

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1$

素因数の和:273

約数の個数: 192

約数和(自身を含む): 240699600

約数和(自身を除く): 161703760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 128, 140, 154, 160, 176, 196, 220, 224, 229, 245, 280, 308, 320, 352, 385, 392, 440, 448, 458, 490, 539, 560, 616, 640, 704, 770, 784, 880, 896, 916, 980, 1078, 1120, 1145, 1232, 1408, 1540, 1568, 1603, 1760, 1832, 1960, 2156, 2240, 2290, 2464, 2519, 2695, 3080, 3136, 3206, 3520, 3664, 3920, 4312, 4480, 4580, 4928, 5038, 5390, 6160, 6272, 6412, 7040, 7328, 7840, 8015, 8624, 9160, 9856, 10076, 10780, 11221, 12320, 12595, 12824, 14656, 15680, 16030, 17248, 17633, 18320, 20152, 21560, 22442, 24640, 25190, 25648, 29312, 31360, 32060, 34496, 35266, 36640, 40304, 43120, 44884, 49280, 50380, 51296, 56105, 64120, 68992, 70532, 73280, 80608, 86240, 88165, 89768, 100760, 102592, 112210, 123431, 128240, 141064, 146560, 161216, 172480, 176330, 179536, 201520, 205184, 224420, 246862, 256480, 282128, 322432, 344960, 352660, 359072, 403040, 448840, 493724, 512960, 564256, 617155, 705320, 718144, 806080, 897680, 987448, 1025920, 1128512, 1234310, 1410640, 1436288, 1612160, 1795360, 1974896, 2257024, 2468620, 2821280, 3590720, 3949792, 4937240, 5642560, 7181440, 7899584, 9874480, 11285120, 15799168, 19748960, 39497920, 78995840]

約数ペア:

[(1, 78995840), (2, 39497920), (4, 19748960), (5, 15799168), (7, 11285120), (8, 9874480), (10, 7899584), (11, 7181440), (14, 5642560), (16, 4937240), (20, 3949792), (22, 3590720), (28, 2821280), (32, 2468620), (35, 2257024), (40, 1974896), (44, 1795360), (49, 1612160), (55, 1436288), (56, 1410640), (64, 1234310), (70, 1128512), (77, 1025920), (80, 987448), (88, 897680), (98, 806080), (110, 718144), (112, 705320), (128, 617155), (140, 564256), (154, 512960), (160, 493724), (176, 448840), (196, 403040), (220, 359072), (224, 352660), (229, 344960), (245, 322432), (280, 282128), (308, 256480), (320, 246862), (352, 224420), (385, 205184), (392, 201520), (440, 179536), (448, 176330), (458, 172480), (490, 161216), (539, 146560), (560, 141064), (616, 128240), (640, 123431), (704, 112210), (770, 102592), (784, 100760), (880, 89768), (896, 88165), (916, 86240), (980, 80608), (1078, 73280), (1120, 70532), (1145, 68992), (1232, 64120), (1408, 56105), (1540, 51296), (1568, 50380), (1603, 49280), (1760, 44884), (1832, 43120), (1960, 40304), (2156, 36640), (2240, 35266), (2290, 34496), (2464, 32060), (2519, 31360), (2695, 29312), (3080, 25648), (3136, 25190), (3206, 24640), (3520, 22442), (3664, 21560), (3920, 20152), (4312, 18320), (4480, 17633), (4580, 17248), (4928, 16030), (5038, 15680), (5390, 14656), (6160, 12824), (6272, 12595), (6412, 12320), (7040, 11221), (7328, 10780), (7840, 10076), (8015, 9856), (8624, 9160)]