19809399960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{60937}}^1$

素因数の和:61007

約数の個数: 256

約数和(自身を含む): 77220633600

約数和(自身を除く): 57411233640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 43, 45, 54, 56, 60, 63, 70, 72, 84, 86, 90, 105, 108, 120, 126, 129, 135, 140, 168, 172, 180, 189, 210, 215, 216, 252, 258, 270, 280, 301, 315, 344, 360, 378, 387, 420, 430, 504, 516, 540, 602, 630, 645, 756, 774, 840, 860, 903, 945, 1032, 1080, 1161, 1204, 1260, 1290, 1505, 1512, 1548, 1720, 1806, 1890, 1935, 2322, 2408, 2520, 2580, 2709, 3010, 3096, 3612, 3780, 3870, 4515, 4644, 5160, 5418, 5805, 6020, 7224, 7560, 7740, 8127, 9030, 9288, 10836, 11610, 12040, 13545, 15480, 16254, 18060, 21672, 23220, 27090, 32508, 36120, 40635, 46440, 54180, 60937, 65016, 81270, 108360, 121874, 162540, 182811, 243748, 304685, 325080, 365622, 426559, 487496, 548433, 609370, 731244, 853118, 914055, 1096866, 1218740, 1279677, 1462488, 1645299, 1706236, 1828110, 2132795, 2193732, 2437480, 2559354, 2620291, 2742165, 3290598, 3412472, 3656220, 3839031, 4265590, 4387464, 5118708, 5240582, 5484330, 6398385, 6581196, 7312440, 7678062, 7860873, 8226495, 8531180, 10237416, 10481164, 10968660, 11517093, 12796770, 13101455, 13162392, 15356124, 15721746, 16452990, 17062360, 18342037, 19195155, 20962328, 21937320, 23034186, 23582619, 25593540, 26202910, 30712248, 31443492, 32905980, 36684074, 38390310, 39304365, 46068372, 47165238, 51187080, 52405820, 55026111, 57585465, 62886984, 65811960, 70747857, 73368148, 76780620, 78608730, 91710185, 92136744, 94330476, 104811640, 110052222, 115170930, 117913095, 141495714, 146736296, 153561240, 157217460, 165078333, 183420370, 188660952, 220104444, 230341860, 235826190, 275130555, 282991428, 314434920, 330156666, 353739285, 366840740, 440208888, 460683720, 471652380, 495234999, 550261110, 565982856, 660313332, 707478570, 733681480, 825391665, 943304760, 990469998, 1100522220, 1320626664, 1414957140, 1650783330, 1980939996, 2201044440, 2476174995, 2829914280, 3301566660, 3961879992, 4952349990, 6603133320, 9904699980, 19809399960]

約数ペア:

[(1, 19809399960), (2, 9904699980), (3, 6603133320), (4, 4952349990), (5, 3961879992), (6, 3301566660), (7, 2829914280), (8, 2476174995), (9, 2201044440), (10, 1980939996), (12, 1650783330), (14, 1414957140), (15, 1320626664), (18, 1100522220), (20, 990469998), (21, 943304760), (24, 825391665), (27, 733681480), (28, 707478570), (30, 660313332), (35, 565982856), (36, 550261110), (40, 495234999), (42, 471652380), (43, 460683720), (45, 440208888), (54, 366840740), (56, 353739285), (60, 330156666), (63, 314434920), (70, 282991428), (72, 275130555), (84, 235826190), (86, 230341860), (90, 220104444), (105, 188660952), (108, 183420370), (120, 165078333), (126, 157217460), (129, 153561240), (135, 146736296), (140, 141495714), (168, 117913095), (172, 115170930), (180, 110052222), (189, 104811640), (210, 94330476), (215, 92136744), (216, 91710185), (252, 78608730), (258, 76780620), (270, 73368148), (280, 70747857), (301, 65811960), (315, 62886984), (344, 57585465), (360, 55026111), (378, 52405820), (387, 51187080), (420, 47165238), (430, 46068372), (504, 39304365), (516, 38390310), (540, 36684074), (602, 32905980), (630, 31443492), (645, 30712248), (756, 26202910), (774, 25593540), (840, 23582619), (860, 23034186), (903, 21937320), (945, 20962328), (1032, 19195155), (1080, 18342037), (1161, 17062360), (1204, 16452990), (1260, 15721746), (1290, 15356124), (1505, 13162392), (1512, 13101455), (1548, 12796770), (1720, 11517093), (1806, 10968660), (1890, 10481164), (1935, 10237416), (2322, 8531180), (2408, 8226495), (2520, 7860873), (2580, 7678062), (2709, 7312440), (3010, 6581196), (3096, 6398385), (3612, 5484330), (3780, 5240582), (3870, 5118708), (4515, 4387464), (4644, 4265590), (5160, 3839031), (5418, 3656220), (5805, 3412472), (6020, 3290598), (7224, 2742165), (7560, 2620291), (7740, 2559354), (8127, 2437480), (9030, 2193732), (9288, 2132795), (10836, 1828110), (11610, 1706236), (12040, 1645299), (13545, 1462488), (15480, 1279677), (16254, 1218740), (18060, 1096866), (21672, 914055), (23220, 853118), (27090, 731244), (32508, 609370), (36120, 548433), (40635, 487496), (46440, 426559), (54180, 365622), (60937, 325080), (65016, 304685), (81270, 243748), (108360, 182811), (121874, 162540)]