85128680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{257}}^1$

素因数の和:308

約数の個数: 144

約数和(自身を含む): 242207820

約数和(自身を除く): 157079140

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 169, 182, 196, 245, 257, 260, 280, 338, 364, 392, 455, 490, 514, 520, 637, 676, 728, 845, 910, 980, 1028, 1183, 1274, 1285, 1352, 1690, 1799, 1820, 1960, 2056, 2366, 2548, 2570, 3185, 3341, 3380, 3598, 3640, 4732, 5096, 5140, 5915, 6370, 6682, 6760, 7196, 8281, 8995, 9464, 10280, 11830, 12593, 12740, 13364, 14392, 16562, 16705, 17990, 23387, 23660, 25186, 25480, 26728, 33124, 33410, 35980, 41405, 43433, 46774, 47320, 50372, 62965, 66248, 66820, 71960, 82810, 86866, 93548, 100744, 116935, 125930, 133640, 163709, 165620, 173732, 187096, 217165, 233870, 251860, 304031, 327418, 331240, 347464, 434330, 467740, 503720, 608062, 654836, 818545, 868660, 935480, 1216124, 1309672, 1520155, 1637090, 1737320, 2128217, 2432248, 3040310, 3274180, 4256434, 6080620, 6548360, 8512868, 10641085, 12161240, 17025736, 21282170, 42564340, 85128680]

約数ペア:

[(1, 85128680), (2, 42564340), (4, 21282170), (5, 17025736), (7, 12161240), (8, 10641085), (10, 8512868), (13, 6548360), (14, 6080620), (20, 4256434), (26, 3274180), (28, 3040310), (35, 2432248), (40, 2128217), (49, 1737320), (52, 1637090), (56, 1520155), (65, 1309672), (70, 1216124), (91, 935480), (98, 868660), (104, 818545), (130, 654836), (140, 608062), (169, 503720), (182, 467740), (196, 434330), (245, 347464), (257, 331240), (260, 327418), (280, 304031), (338, 251860), (364, 233870), (392, 217165), (455, 187096), (490, 173732), (514, 165620), (520, 163709), (637, 133640), (676, 125930), (728, 116935), (845, 100744), (910, 93548), (980, 86866), (1028, 82810), (1183, 71960), (1274, 66820), (1285, 66248), (1352, 62965), (1690, 50372), (1799, 47320), (1820, 46774), (1960, 43433), (2056, 41405), (2366, 35980), (2548, 33410), (2570, 33124), (3185, 26728), (3341, 25480), (3380, 25186), (3598, 23660), (3640, 23387), (4732, 17990), (5096, 16705), (5140, 16562), (5915, 14392), (6370, 13364), (6682, 12740), (6760, 12593), (7196, 11830), (8281, 10280), (8995, 9464)]