1981496160

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3709}}^1$

素因数の和:3790

約数の個数: 288

約数和(自身を含む): 7875766080

約数和(自身を除く): 5894269920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 53, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 106, 112, 120, 126, 140, 144, 159, 160, 168, 180, 210, 212, 224, 240, 252, 265, 280, 288, 315, 318, 336, 360, 371, 420, 424, 477, 480, 504, 530, 560, 630, 636, 672, 720, 742, 795, 840, 848, 954, 1008, 1060, 1113, 1120, 1260, 1272, 1440, 1484, 1590, 1680, 1696, 1855, 1908, 2016, 2120, 2226, 2385, 2520, 2544, 2968, 3180, 3339, 3360, 3709, 3710, 3816, 4240, 4452, 4770, 5040, 5088, 5565, 5936, 6360, 6678, 7418, 7420, 7632, 8480, 8904, 9540, 10080, 11127, 11130, 11872, 12720, 13356, 14836, 14840, 15264, 16695, 17808, 18545, 19080, 22254, 22260, 25440, 25963, 26712, 29672, 29680, 33381, 33390, 35616, 37090, 38160, 44508, 44520, 51926, 53424, 55635, 59344, 59360, 66762, 66780, 74180, 76320, 77889, 89016, 89040, 103852, 106848, 111270, 118688, 129815, 133524, 133560, 148360, 155778, 166905, 178032, 178080, 196577, 207704, 222540, 233667, 259630, 267048, 267120, 296720, 311556, 333810, 356064, 389445, 393154, 415408, 445080, 467334, 519260, 534096, 534240, 589731, 593440, 623112, 667620, 778890, 786308, 830816, 890160, 934668, 982885, 1038520, 1068192, 1168335, 1179462, 1246224, 1335240, 1376039, 1557780, 1572616, 1769193, 1780320, 1869336, 1965770, 2077040, 2336670, 2358924, 2492448, 2670480, 2752078, 2948655, 3115560, 3145232, 3538386, 3738672, 3931540, 4128117, 4154080, 4673340, 4717848, 5340960, 5504156, 5897310, 6231120, 6290464, 6880195, 7076772, 7477344, 7863080, 8256234, 8845965, 9346680, 9435696, 11008312, 11794620, 12384351, 12462240, 13760390, 14153544, 15726160, 16512468, 17691930, 18693360, 18871392, 20640585, 22016624, 23589240, 24768702, 27520780, 28307088, 31452320, 33024936, 35383860, 37386720, 41281170, 44033248, 47178480, 49537404, 55041560, 56614176, 61921755, 66049872, 70767720, 82562340, 94356960, 99074808, 110083120, 123843510, 132099744, 141535440, 165124680, 198149616, 220166240, 247687020, 283070880, 330249360, 396299232, 495374040, 660498720, 990748080, 1981496160]

約数ペア:

[(1, 1981496160), (2, 990748080), (3, 660498720), (4, 495374040), (5, 396299232), (6, 330249360), (7, 283070880), (8, 247687020), (9, 220166240), (10, 198149616), (12, 165124680), (14, 141535440), (15, 132099744), (16, 123843510), (18, 110083120), (20, 99074808), (21, 94356960), (24, 82562340), (28, 70767720), (30, 66049872), (32, 61921755), (35, 56614176), (36, 55041560), (40, 49537404), (42, 47178480), (45, 44033248), (48, 41281170), (53, 37386720), (56, 35383860), (60, 33024936), (63, 31452320), (70, 28307088), (72, 27520780), (80, 24768702), (84, 23589240), (90, 22016624), (96, 20640585), (105, 18871392), (106, 18693360), (112, 17691930), (120, 16512468), (126, 15726160), (140, 14153544), (144, 13760390), (159, 12462240), (160, 12384351), (168, 11794620), (180, 11008312), (210, 9435696), (212, 9346680), (224, 8845965), (240, 8256234), (252, 7863080), (265, 7477344), (280, 7076772), (288, 6880195), (315, 6290464), (318, 6231120), (336, 5897310), (360, 5504156), (371, 5340960), (420, 4717848), (424, 4673340), (477, 4154080), (480, 4128117), (504, 3931540), (530, 3738672), (560, 3538386), (630, 3145232), (636, 3115560), (672, 2948655), (720, 2752078), (742, 2670480), (795, 2492448), (840, 2358924), (848, 2336670), (954, 2077040), (1008, 1965770), (1060, 1869336), (1113, 1780320), (1120, 1769193), (1260, 1572616), (1272, 1557780), (1440, 1376039), (1484, 1335240), (1590, 1246224), (1680, 1179462), (1696, 1168335), (1855, 1068192), (1908, 1038520), (2016, 982885), (2120, 934668), (2226, 890160), (2385, 830816), (2520, 786308), (2544, 778890), (2968, 667620), (3180, 623112), (3339, 593440), (3360, 589731), (3709, 534240), (3710, 534096), (3816, 519260), (4240, 467334), (4452, 445080), (4770, 415408), (5040, 393154), (5088, 389445), (5565, 356064), (5936, 333810), (6360, 311556), (6678, 296720), (7418, 267120), (7420, 267048), (7632, 259630), (8480, 233667), (8904, 222540), (9540, 207704), (10080, 196577), (11127, 178080), (11130, 178032), (11872, 166905), (12720, 155778), (13356, 148360), (14836, 133560), (14840, 133524), (15264, 129815), (16695, 118688), (17808, 111270), (18545, 106848), (19080, 103852), (22254, 89040), (22260, 89016), (25440, 77889), (25963, 76320), (26712, 74180), (29672, 66780), (29680, 66762), (33381, 59360), (33390, 59344), (35616, 55635), (37090, 53424), (38160, 51926), (44508, 44520)]