1820341725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:935

約数の個数: 96

約数和(自身を含む): 3346500096

約数和(自身を除く): 1526158371

約数列:

[1, 3, 5, 15, 17, 25, 37, 47, 51, 75, 85, 111, 141, 185, 235, 255, 425, 555, 629, 705, 799, 821, 925, 1175, 1275, 1739, 1887, 2397, 2463, 2775, 3145, 3525, 3995, 4105, 5217, 8695, 9435, 11985, 12315, 13957, 15725, 19975, 20525, 26085, 29563, 30377, 38587, 41871, 43475, 47175, 59925, 61575, 69785, 88689, 91131, 115761, 130425, 147815, 151885, 192935, 209355, 348925, 443445, 455655, 516409, 578805, 655979, 739075, 759425, 964675, 1046775, 1427719, 1549227, 1967937, 2217225, 2278275, 2582045, 2894025, 3279895, 4283157, 7138595, 7746135, 9839685, 12910225, 16399475, 21415785, 24271223, 35692975, 38730675, 49198425, 72813669, 107078925, 121356115, 364068345, 606780575, 1820341725]

約数ペア:

[(1, 1820341725), (3, 606780575), (5, 364068345), (15, 121356115), (17, 107078925), (25, 72813669), (37, 49198425), (47, 38730675), (51, 35692975), (75, 24271223), (85, 21415785), (111, 16399475), (141, 12910225), (185, 9839685), (235, 7746135), (255, 7138595), (425, 4283157), (555, 3279895), (629, 2894025), (705, 2582045), (799, 2278275), (821, 2217225), (925, 1967937), (1175, 1549227), (1275, 1427719), (1739, 1046775), (1887, 964675), (2397, 759425), (2463, 739075), (2775, 655979), (3145, 578805), (3525, 516409), (3995, 455655), (4105, 443445), (5217, 348925), (8695, 209355), (9435, 192935), (11985, 151885), (12315, 147815), (13957, 130425), (15725, 115761), (19975, 91131), (20525, 88689), (26085, 69785), (29563, 61575), (30377, 59925), (38587, 47175), (41871, 43475)]