642070620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:229

約数の個数: 288

約数和(自身を含む): 2178042048

約数和(自身を除く): 1535971428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 37, 45, 51, 53, 60, 68, 74, 85, 90, 102, 106, 107, 111, 148, 153, 159, 170, 180, 185, 204, 212, 214, 222, 255, 265, 306, 318, 321, 333, 340, 370, 428, 444, 477, 510, 530, 535, 555, 612, 629, 636, 642, 666, 740, 765, 795, 901, 954, 963, 1020, 1060, 1070, 1110, 1258, 1284, 1332, 1530, 1590, 1605, 1665, 1802, 1819, 1887, 1908, 1926, 1961, 2140, 2220, 2385, 2516, 2703, 3060, 3145, 3180, 3210, 3330, 3604, 3638, 3774, 3852, 3922, 3959, 4505, 4770, 4815, 5406, 5457, 5661, 5671, 5883, 6290, 6420, 6660, 7276, 7548, 7844, 7918, 8109, 9010, 9095, 9435, 9540, 9630, 9805, 10812, 10914, 11322, 11342, 11766, 11877, 12580, 13515, 15836, 16218, 16371, 17013, 17649, 18020, 18190, 18870, 19260, 19610, 19795, 21828, 22644, 22684, 23532, 23754, 27030, 27285, 28305, 28355, 29415, 32436, 32742, 33337, 34026, 35298, 35631, 36380, 37740, 39220, 39590, 40545, 47508, 51039, 54060, 54570, 56610, 56710, 58830, 59385, 65484, 66674, 67303, 68052, 70596, 71262, 79180, 81090, 81855, 85065, 88245, 96407, 100011, 102078, 109140, 113220, 113420, 117660, 118770, 133348, 134606, 142524, 162180, 163710, 166685, 170130, 176490, 178155, 192814, 200022, 201909, 204156, 209827, 237540, 255195, 269212, 289221, 300033, 327420, 333370, 336515, 340260, 352980, 356310, 385628, 400044, 403818, 419654, 482035, 500055, 510390, 578442, 600066, 605727, 629481, 666740, 673030, 712620, 807636, 839308, 867663, 964070, 1000110, 1009545, 1020780, 1049135, 1156884, 1200132, 1211454, 1258962, 1346060, 1446105, 1500165, 1735326, 1888443, 1928140, 2000220, 2019090, 2098270, 2422908, 2517924, 2892210, 3000330, 3028635, 3147405, 3470652, 3567059, 3776886, 4038180, 4196540, 4338315, 5784420, 6000660, 6057270, 6294810, 7134118, 7553772, 8676630, 9442215, 10701177, 12114540, 12589620, 14268236, 17353260, 17835295, 18884430, 21402354, 32103531, 35670590, 37768860, 42804708, 53505885, 64207062, 71341180, 107011770, 128414124, 160517655, 214023540, 321035310, 642070620]

約数ペア:

[(1, 642070620), (2, 321035310), (3, 214023540), (4, 160517655), (5, 128414124), (6, 107011770), (9, 71341180), (10, 64207062), (12, 53505885), (15, 42804708), (17, 37768860), (18, 35670590), (20, 32103531), (30, 21402354), (34, 18884430), (36, 17835295), (37, 17353260), (45, 14268236), (51, 12589620), (53, 12114540), (60, 10701177), (68, 9442215), (74, 8676630), (85, 7553772), (90, 7134118), (102, 6294810), (106, 6057270), (107, 6000660), (111, 5784420), (148, 4338315), (153, 4196540), (159, 4038180), (170, 3776886), (180, 3567059), (185, 3470652), (204, 3147405), (212, 3028635), (214, 3000330), (222, 2892210), (255, 2517924), (265, 2422908), (306, 2098270), (318, 2019090), (321, 2000220), (333, 1928140), (340, 1888443), (370, 1735326), (428, 1500165), (444, 1446105), (477, 1346060), (510, 1258962), (530, 1211454), (535, 1200132), (555, 1156884), (612, 1049135), (629, 1020780), (636, 1009545), (642, 1000110), (666, 964070), (740, 867663), (765, 839308), (795, 807636), (901, 712620), (954, 673030), (963, 666740), (1020, 629481), (1060, 605727), (1070, 600066), (1110, 578442), (1258, 510390), (1284, 500055), (1332, 482035), (1530, 419654), (1590, 403818), (1605, 400044), (1665, 385628), (1802, 356310), (1819, 352980), (1887, 340260), (1908, 336515), (1926, 333370), (1961, 327420), (2140, 300033), (2220, 289221), (2385, 269212), (2516, 255195), (2703, 237540), (3060, 209827), (3145, 204156), (3180, 201909), (3210, 200022), (3330, 192814), (3604, 178155), (3638, 176490), (3774, 170130), (3852, 166685), (3922, 163710), (3959, 162180), (4505, 142524), (4770, 134606), (4815, 133348), (5406, 118770), (5457, 117660), (5661, 113420), (5671, 113220), (5883, 109140), (6290, 102078), (6420, 100011), (6660, 96407), (7276, 88245), (7548, 85065), (7844, 81855), (7918, 81090), (8109, 79180), (9010, 71262), (9095, 70596), (9435, 68052), (9540, 67303), (9630, 66674), (9805, 65484), (10812, 59385), (10914, 58830), (11322, 56710), (11342, 56610), (11766, 54570), (11877, 54060), (12580, 51039), (13515, 47508), (15836, 40545), (16218, 39590), (16371, 39220), (17013, 37740), (17649, 36380), (18020, 35631), (18190, 35298), (18870, 34026), (19260, 33337), (19610, 32742), (19795, 32436), (21828, 29415), (22644, 28355), (22684, 28305), (23532, 27285), (23754, 27030)]