1868654580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{709}}^1$

素因数の和:874

約数の個数: 192

約数和(自身を含む): 5878118400

約数和(自身を除く): 4009463820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 109, 124, 130, 155, 156, 186, 195, 218, 260, 310, 327, 372, 390, 403, 436, 465, 545, 620, 654, 709, 780, 806, 930, 1090, 1209, 1308, 1417, 1418, 1612, 1635, 1860, 2015, 2127, 2180, 2418, 2834, 2836, 3270, 3379, 3545, 4030, 4251, 4254, 4836, 5668, 6045, 6540, 6758, 7085, 7090, 8060, 8502, 8508, 9217, 10137, 10635, 12090, 13516, 14170, 14180, 16895, 17004, 18434, 20274, 21255, 21270, 21979, 24180, 27651, 28340, 33790, 36868, 40548, 42510, 42540, 43927, 43958, 46085, 50685, 55302, 65937, 67580, 77281, 85020, 87854, 87916, 92170, 101370, 109895, 110604, 131781, 131874, 138255, 154562, 175708, 184340, 202740, 219635, 219790, 231843, 263562, 263748, 276510, 285727, 309124, 329685, 386405, 439270, 439580, 463686, 527124, 553020, 571454, 658905, 659370, 772810, 857181, 878540, 927372, 1004653, 1142908, 1159215, 1317810, 1318740, 1428635, 1545620, 1714362, 2009306, 2318430, 2395711, 2635620, 2857270, 3013959, 3428724, 4018612, 4285905, 4636860, 4791422, 5023265, 5714540, 6027918, 7187133, 8571810, 9582844, 10046530, 11978555, 12055836, 14374266, 15069795, 17143620, 20093060, 23957110, 28748532, 30139590, 31144243, 35935665, 47914220, 60279180, 62288486, 71871330, 93432729, 124576972, 143742660, 155721215, 186865458, 311442430, 373730916, 467163645, 622884860, 934327290, 1868654580]

約数ペア:

[(1, 1868654580), (2, 934327290), (3, 622884860), (4, 467163645), (5, 373730916), (6, 311442430), (10, 186865458), (12, 155721215), (13, 143742660), (15, 124576972), (20, 93432729), (26, 71871330), (30, 62288486), (31, 60279180), (39, 47914220), (52, 35935665), (60, 31144243), (62, 30139590), (65, 28748532), (78, 23957110), (93, 20093060), (109, 17143620), (124, 15069795), (130, 14374266), (155, 12055836), (156, 11978555), (186, 10046530), (195, 9582844), (218, 8571810), (260, 7187133), (310, 6027918), (327, 5714540), (372, 5023265), (390, 4791422), (403, 4636860), (436, 4285905), (465, 4018612), (545, 3428724), (620, 3013959), (654, 2857270), (709, 2635620), (780, 2395711), (806, 2318430), (930, 2009306), (1090, 1714362), (1209, 1545620), (1308, 1428635), (1417, 1318740), (1418, 1317810), (1612, 1159215), (1635, 1142908), (1860, 1004653), (2015, 927372), (2127, 878540), (2180, 857181), (2418, 772810), (2834, 659370), (2836, 658905), (3270, 571454), (3379, 553020), (3545, 527124), (4030, 463686), (4251, 439580), (4254, 439270), (4836, 386405), (5668, 329685), (6045, 309124), (6540, 285727), (6758, 276510), (7085, 263748), (7090, 263562), (8060, 231843), (8502, 219790), (8508, 219635), (9217, 202740), (10137, 184340), (10635, 175708), (12090, 154562), (13516, 138255), (14170, 131874), (14180, 131781), (16895, 110604), (17004, 109895), (18434, 101370), (20274, 92170), (21255, 87916), (21270, 87854), (21979, 85020), (24180, 77281), (27651, 67580), (28340, 65937), (33790, 55302), (36868, 50685), (40548, 46085), (42510, 43958), (42540, 43927)]