78937040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1549}}^1$

素因数の和:1589

約数の個数: 120

約数和(自身を含む): 230063400

約数和(自身を除く): 151126360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1274, 1456, 1549, 1820, 1960, 2548, 3098, 3185, 3640, 3920, 5096, 6196, 6370, 7280, 7745, 10192, 10843, 12392, 12740, 15490, 20137, 21686, 24784, 25480, 30980, 40274, 43372, 50960, 54215, 61960, 75901, 80548, 86744, 100685, 108430, 123920, 140959, 151802, 161096, 173488, 201370, 216860, 281918, 303604, 322192, 379505, 402740, 433720, 563836, 607208, 704795, 759010, 805480, 867440, 986713, 1127672, 1214416, 1409590, 1518020, 1610960, 1973426, 2255344, 2819180, 3036040, 3946852, 4933565, 5638360, 6072080, 7893704, 9867130, 11276720, 15787408, 19734260, 39468520, 78937040]

約数ペア:

[(1, 78937040), (2, 39468520), (4, 19734260), (5, 15787408), (7, 11276720), (8, 9867130), (10, 7893704), (13, 6072080), (14, 5638360), (16, 4933565), (20, 3946852), (26, 3036040), (28, 2819180), (35, 2255344), (40, 1973426), (49, 1610960), (52, 1518020), (56, 1409590), (65, 1214416), (70, 1127672), (80, 986713), (91, 867440), (98, 805480), (104, 759010), (112, 704795), (130, 607208), (140, 563836), (182, 433720), (196, 402740), (208, 379505), (245, 322192), (260, 303604), (280, 281918), (364, 216860), (392, 201370), (455, 173488), (490, 161096), (520, 151802), (560, 140959), (637, 123920), (728, 108430), (784, 100685), (910, 86744), (980, 80548), (1040, 75901), (1274, 61960), (1456, 54215), (1549, 50960), (1820, 43372), (1960, 40274), (2548, 30980), (3098, 25480), (3185, 24784), (3640, 21686), (3920, 20137), (5096, 15490), (6196, 12740), (6370, 12392), (7280, 10843), (7745, 10192)]