78509520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1913}}^1$

素因数の和:1954

約数の個数: 160

約数和(自身を含む): 284803200

約数和(自身を除く): 206293680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 285, 304, 342, 360, 380, 432, 456, 513, 540, 570, 684, 720, 760, 855, 912, 1026, 1080, 1140, 1368, 1520, 1710, 1913, 2052, 2160, 2280, 2565, 2736, 3420, 3826, 4104, 4560, 5130, 5739, 6840, 7652, 8208, 9565, 10260, 11478, 13680, 15304, 17217, 19130, 20520, 22956, 28695, 30608, 34434, 36347, 38260, 41040, 45912, 51651, 57390, 68868, 72694, 76520, 86085, 91824, 103302, 109041, 114780, 137736, 145388, 153040, 172170, 181735, 206604, 218082, 229560, 258255, 275472, 290776, 327123, 344340, 363470, 413208, 436164, 459120, 516510, 545205, 581552, 654246, 688680, 726940, 826416, 872328, 981369, 1033020, 1090410, 1308492, 1377360, 1453880, 1635615, 1744656, 1962738, 2066040, 2180820, 2616984, 2907760, 3271230, 3925476, 4132080, 4361640, 4906845, 5233968, 6542460, 7850952, 8723280, 9813690, 13084920, 15701904, 19627380, 26169840, 39254760, 78509520]

約数ペア:

[(1, 78509520), (2, 39254760), (3, 26169840), (4, 19627380), (5, 15701904), (6, 13084920), (8, 9813690), (9, 8723280), (10, 7850952), (12, 6542460), (15, 5233968), (16, 4906845), (18, 4361640), (19, 4132080), (20, 3925476), (24, 3271230), (27, 2907760), (30, 2616984), (36, 2180820), (38, 2066040), (40, 1962738), (45, 1744656), (48, 1635615), (54, 1453880), (57, 1377360), (60, 1308492), (72, 1090410), (76, 1033020), (80, 981369), (90, 872328), (95, 826416), (108, 726940), (114, 688680), (120, 654246), (135, 581552), (144, 545205), (152, 516510), (171, 459120), (180, 436164), (190, 413208), (216, 363470), (228, 344340), (240, 327123), (270, 290776), (285, 275472), (304, 258255), (342, 229560), (360, 218082), (380, 206604), (432, 181735), (456, 172170), (513, 153040), (540, 145388), (570, 137736), (684, 114780), (720, 109041), (760, 103302), (855, 91824), (912, 86085), (1026, 76520), (1080, 72694), (1140, 68868), (1368, 57390), (1520, 51651), (1710, 45912), (1913, 41040), (2052, 38260), (2160, 36347), (2280, 34434), (2565, 30608), (2736, 28695), (3420, 22956), (3826, 20520), (4104, 19130), (4560, 17217), (5130, 15304), (5739, 13680), (6840, 11478), (7652, 10260), (8208, 9565)]