79947140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:182

約数の個数: 144

約数和(自身を含む): 216437760

約数和(自身を除く): 136490620

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 109, 124, 130, 140, 155, 169, 182, 217, 218, 260, 310, 338, 364, 403, 434, 436, 455, 545, 620, 676, 763, 806, 845, 868, 910, 1085, 1090, 1183, 1417, 1526, 1612, 1690, 1820, 2015, 2170, 2180, 2366, 2821, 2834, 3052, 3379, 3380, 3815, 4030, 4340, 4732, 5239, 5642, 5668, 5915, 6758, 7085, 7630, 8060, 9919, 10478, 11284, 11830, 13516, 14105, 14170, 15260, 16895, 18421, 19838, 20956, 23653, 23660, 26195, 28210, 28340, 33790, 36673, 36842, 39676, 43927, 47306, 49595, 52390, 56420, 67580, 73346, 73684, 87854, 92105, 94612, 99190, 104780, 118265, 128947, 146692, 175708, 183365, 184210, 198380, 219635, 236530, 257894, 307489, 366730, 368420, 439270, 473060, 515788, 571051, 614978, 644735, 733460, 878540, 1142102, 1229956, 1289470, 1537445, 2284204, 2578940, 2855255, 3074890, 3997357, 5710510, 6149780, 7994714, 11421020, 15989428, 19986785, 39973570, 79947140]

約数ペア:

[(1, 79947140), (2, 39973570), (4, 19986785), (5, 15989428), (7, 11421020), (10, 7994714), (13, 6149780), (14, 5710510), (20, 3997357), (26, 3074890), (28, 2855255), (31, 2578940), (35, 2284204), (52, 1537445), (62, 1289470), (65, 1229956), (70, 1142102), (91, 878540), (109, 733460), (124, 644735), (130, 614978), (140, 571051), (155, 515788), (169, 473060), (182, 439270), (217, 368420), (218, 366730), (260, 307489), (310, 257894), (338, 236530), (364, 219635), (403, 198380), (434, 184210), (436, 183365), (455, 175708), (545, 146692), (620, 128947), (676, 118265), (763, 104780), (806, 99190), (845, 94612), (868, 92105), (910, 87854), (1085, 73684), (1090, 73346), (1183, 67580), (1417, 56420), (1526, 52390), (1612, 49595), (1690, 47306), (1820, 43927), (2015, 39676), (2170, 36842), (2180, 36673), (2366, 33790), (2821, 28340), (2834, 28210), (3052, 26195), (3379, 23660), (3380, 23653), (3815, 20956), (4030, 19838), (4340, 18421), (4732, 16895), (5239, 15260), (5642, 14170), (5668, 14105), (5915, 13516), (6758, 11830), (7085, 11284), (7630, 10478), (8060, 9919)]