71458140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{317}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 229616352

約数和(自身を除く): 158158212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 289, 317, 340, 390, 442, 510, 578, 634, 663, 780, 867, 884, 951, 1020, 1105, 1156, 1268, 1326, 1445, 1585, 1734, 1902, 2210, 2652, 2890, 3170, 3315, 3468, 3757, 3804, 4121, 4335, 4420, 4755, 5389, 5780, 6340, 6630, 7514, 8242, 8670, 9510, 10778, 11271, 12363, 13260, 15028, 16167, 16484, 17340, 18785, 19020, 20605, 21556, 22542, 24726, 26945, 32334, 37570, 41210, 45084, 49452, 53890, 56355, 61815, 64668, 70057, 75140, 80835, 82420, 91613, 107780, 112710, 123630, 140114, 161670, 183226, 210171, 225420, 247260, 274839, 280228, 323340, 350285, 366452, 420342, 458065, 549678, 700570, 840684, 916130, 1050855, 1099356, 1190969, 1374195, 1401140, 1832260, 2101710, 2381938, 2748390, 3572907, 4203420, 4763876, 5496780, 5954845, 7145814, 11909690, 14291628, 17864535, 23819380, 35729070, 71458140]

約数ペア:

[(1, 71458140), (2, 35729070), (3, 23819380), (4, 17864535), (5, 14291628), (6, 11909690), (10, 7145814), (12, 5954845), (13, 5496780), (15, 4763876), (17, 4203420), (20, 3572907), (26, 2748390), (30, 2381938), (34, 2101710), (39, 1832260), (51, 1401140), (52, 1374195), (60, 1190969), (65, 1099356), (68, 1050855), (78, 916130), (85, 840684), (102, 700570), (130, 549678), (156, 458065), (170, 420342), (195, 366452), (204, 350285), (221, 323340), (255, 280228), (260, 274839), (289, 247260), (317, 225420), (340, 210171), (390, 183226), (442, 161670), (510, 140114), (578, 123630), (634, 112710), (663, 107780), (780, 91613), (867, 82420), (884, 80835), (951, 75140), (1020, 70057), (1105, 64668), (1156, 61815), (1268, 56355), (1326, 53890), (1445, 49452), (1585, 45084), (1734, 41210), (1902, 37570), (2210, 32334), (2652, 26945), (2890, 24726), (3170, 22542), (3315, 21556), (3468, 20605), (3757, 19020), (3804, 18785), (4121, 17340), (4335, 16484), (4420, 16167), (4755, 15028), (5389, 13260), (5780, 12363), (6340, 11271), (6630, 10778), (7514, 9510), (8242, 8670)]